Pawelski JG, Perrin EC, Foy JM, et al. (July 2006). “The effects of marriage, civil union, and domestic partnership laws on the health and well-being of children”. Pediatrics118 (1): 349–64. doi:10.1542/peds.2006-1279. PMID16818585.
Operario D, Burton J, Underhill K, Sevelius J (January 2008). “Men who have sex with transgender women: challenges to category-based HIV prevention”. AIDS Behav12 (1): 18–26. doi:10.1007/s10461-007-9303-y. PMID17705095.
"Family group to boycott Ford for its gay support.(American Family Association (AFA))(Brief Article)." PR Week (US) (June 6, 2005): 02. General Reference Center Gold. Thomson Gale. Newport News Public Library System. 7 April 2007.
Pawelski JG, Perrin EC, Foy JM, et al. (July 2006). “The effects of marriage, civil union, and domestic partnership laws on the health and well-being of children”. Pediatrics118 (1): 349–64. doi:10.1542/peds.2006-1279. PMID16818585.
Operario D, Burton J, Underhill K, Sevelius J (January 2008). “Men who have sex with transgender women: challenges to category-based HIV prevention”. AIDS Behav12 (1): 18–26. doi:10.1007/s10461-007-9303-y. PMID17705095.