Haldeman, Douglas C., and Robin A. Buhrke. "Under a Rainbow Flag: The Diversity of Sexual Orientation." Diversity in Human Interactions: The Tapestry of America. : Oxford University Press, 2003-09-11. Oxford Scholarship Online. 2012-03-22. Date Accessed 23 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195143904.001.0001/acprof-9780195143904-chapter-9>.
Haldeman, D., & Buhrke, R.(2003-09-11). Under a Rainbow Flag: The Diversity of Sexual Orientation. In Diversity in Human Interactions: The Tapestry of America. : Oxford University Press. Retrieved 23 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195143904.001.0001/acprof-9780195143904-chapter-9.
Haldeman, Douglas C., and Robin A. Buhrke. "Under a Rainbow Flag: The Diversity of Sexual Orientation." In Diversity in Human Interactions: The Tapestry of America. : Oxford University Press, 2003-09-11. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195143904.001.0001/acprof-9780195143904-chapter-9.
Haldeman DC, Buhrke RA. Under a Rainbow Flag: The Diversity of Sexual Orientation. In: Robinson JD, James LC. Diversity in Human Interactions: The Tapestry of America. Oxford University Press; 2003. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195143904.001.0001/acprof-9780195143904-chapter-9. Accessed May 23, 2013.