1. On "doing" and "being" gay: sexual behavior and homosexual male self-identity;TS Weinberg;J Homosex,1978
2. Foucault M (1998). The Will to Knowledge: The History of Sexuality vol. I.
3. Sigal P (2000) From Moon Goddess to Virgins: The Colonization of Yucatecan Maya Sexual Desire. Texas: University of Texas Press. 344 p.
4. APA (2008) Answers to your questions: For a better understanding of sexual orientation and homosexuality. Available: http://www.apa.org/topics/sorientation.pdf. Washington, DC. Accessed 2014 Jul 25.
5. A biologic perspective on sexual orientation;RC Pillard;Psychiatr Clin North Am,1995