1.	European Commission, Brussels, SEC (2010) 411, “Guidelines on Vertical Restraints”,
2.	The Economics Times, ‘Definition of Markets'
3.	The Competition Act, 2002
4.	The Competition Commission of India, http://www.cci.gov.in/
5.	OECD, Vertical Restraints (or Restrictions), https://stats.oecd.org/glossary/detail.asp?ID=3329
6.	Rey, Patrick, (2005), “The Economics of Vertical Restraints”.
7.	Konkurrensverket,  Swedish Competition Authority, “The Pros and Cons of Vertical Restraints”