1. Basco et. al (2007) “Webpage Development of Villa Carmelita Resort” Unpublished Thesis, Lyceum of the Philippines University.
2. Business Travel World (July 2005). Online Hotel Reservation System Retrieved from ERIC database. (17689182)
3. Culita et. al (2006) “Reservation System of Midland Pacific Hotel”, Unpublished Thesis, Lyceum of the Philippines University
4. Jiaqin Yang, Jan Flynn and Krista Anderson of Georgia College and State University (2005) E-Business Application in the Hospitality Industry: A Case Study Communications of the International Information Management Association, Volume 3 Issue 1
5. Napier, H.A., Judd, P.J., Rivers, O.N., and Wagner, S. W. (2001), Create A Winning E-business, Thomson Learning, Boston, MA.
6. Online Hotel Reservation Software. (n.d.). In dotcomtechno.com. Retrieved November, 2009 from - http://www.dotcomtechno.com/ohrm.html
7. Palmer, J. (1999). "Digital newspapers explore marketing on the Internet", Communications of the ACM, v42, p.33- 40.