Unequal Opportunity: Health Disparities Affecting Gay and Bisexual Men in the United States. : Oxford University Press, 2007-12-06. Oxford Scholarship Online. 2009-09-01. Date Accessed 19 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195301533.001.0001/acprof-9780195301533>.
(2007-12-06). Unequal Opportunity: Health Disparities Affecting Gay and Bisexual Men in the United States. : Oxford University Press. Retrieved 19 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195301533.001.0001/acprof-9780195301533.
Unequal Opportunity: Health Disparities Affecting Gay and Bisexual Men in the United States. : Oxford University Press, 2007-12-06. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195301533.001.0001/acprof-9780195301533.
Wolitski RJ, Stall R, Valdiserri RO. Unequal Opportunity: Health Disparities Affecting Gay and Bisexual Men in the United States. Oxford University Press; 2007. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195301533.001.0001/acprof-9780195301533. Accessed June 19, 2013.