1. Annett, Duncan, Stammers and Gray, Task Analysis, Training Information Paper 6, HMSO, 1971.
2. Bee, Frances and Roland, Training Needs Analysis and Evaluation, Institute of Personnel and Development, 1994.
3. Boydell, T. H., A Guide to Job Analysis, BACIE, 1970. A companion booklet to A Guide to the Identification of Training Needs.
4. Buckley, Roger and Caple, Jim, The Theory and Practice of Training, Kogan Page, 1990.(Chapters 8 and 9)
5. Davies, I. K., The Management of Learning, McGraw-Hill, 1971. (Chapters 14 and 15.)
6. Easterby-Smith, M., Braiden, E. M. and Ashton, D., Auditing Management Development, Gower, 1980.
7. Easterby-Smith, M., 'How to Use Repertory Grids in HRD', Journal of European Industrial Training, Vol 4, No 2, 1980.
8. Easterby-Smith, M., Evaluating Management Development, Training and Education, 2nd edition, Gower, 1994.
9. Honey, P., 'The Repertory Grid in Action', Industrial and Commercial Training, Vol II, Nos 9, 10 and 11, 1979.
10. Kirkpatrick, D.L., Evaluating Training Programs: The four levels, Berrett-Koehler, 1996.
11. Laird, D., Approaches to Training and Development, Addison-Wesley, 1978. (Chapters 15 and 16.)
12. Mager, R. F., Preparing Objectives for Programmed Instruction, Fearon, 1962. (Later re-titled: Preparing Instructional Objectives, Fearon, 1975.)
13. Parker, T. C., 'Statistical Methods for Measuring Training Results', in Training and Development Handbook, edited by R. L. Craig, McGraw-Hill, 1976.
14. Peterson, Robyn, Training Needs Analysis in the Workplace, Kogan Page Practical Trainer Series, 1992.
15. Philips, J. Handbook of Training Evaluation and Measurement, 3rd edition, Butterworth-Heinemann, 1977
16. Philips, J. Return on Investment in training and Performance Improvement Programs. Butterworth-Heinemann, 1977.
17. Philips, P.P.P. Understanding the Basics of Return on Investment in Training, Kogan-Page,2002
18. Rae, L., 'Towards a More Valid End-of-Course Validation', The Training Officer, October 1983.
19. Rae, L., 'How Valid is Validation?', Industrial and Commercial Training, Jan.-Feb., 1985.
20. Rae, L., Techniques of Training, 3rd edition, Gower, 1995. (Chapter 10.)
21. Robinson, K. R., A Handbook of Training Management, Kogan Page, 1981. (Chapter 7.)
22. Schmalenbach, Martin, 'The Death of ROI and the Rise of a New Management Paradigm', Journal of the Institute of Training and Occupational Learning, Vol. 3, No.1, 2002.
23. Stewart, V. and Stewart A., Managing the Manager's Growth, Gower, 1978. (Chapter 13.)
24. Thurley, K. E., and Wirdenius, H., Supervision: a Re-appraisal, Heinemann, 1973.
25. Warr, P. B., Bird, M. and Rackham, N., The Evaluation of Management Training, Gower, 1970.
26. Wills, Mike, Managing the Training Process, McGraw-Hill, 1993.