Sonya S. Brady, PhD and Bonnie L. Halpern-Felsher, PhD (2007). "Adolescents' Reported Consequences of Having Oral Sex Versus Vaginal Sex". Pediatrics. 119 (2): 229–236. doi:10.1542/peds.2006-1727. PMID17272611. Pemeliharaan CS1: Banyak nama: authors list (link)
Sonya S. Brady, PhD and Bonnie L. Halpern-Felsher, PhD (2007). "Adolescents' Reported Consequences of Having Oral Sex Versus Vaginal Sex". Pediatrics. 119 (2): 229–236. doi:10.1542/peds.2006-1727. PMID17272611. Pemeliharaan CS1: Banyak nama: authors list (link)