Bryan Strong; Christine DeVault; Theodore F. Cohen (2010). The Marriage and Family Experience: Intimate Relationship in a Changing Society. Cengage Learning. стр. 186. ISBN978-0-534-62425-5. Приступљено 8. 10. 2011. „Most people agree that we maintain virginity as long as we refrain from sexual (vaginal) intercourse. But occasionally we hear people speak of 'technical virginity' [...] Data indicate that 'a very significant proportion of teens ha[ve] had experience with oral sex, even if they haven't had sexual intercourse, and may think of themselves as virgins' [...] Other research, especially research looking into virginity loss, reports that 35% of virgins, defined as people who have never engaged in vaginal intercourse, have nonetheless engaged in one or more other forms of heterosexual sexual activity (e.g., oral sex, anal sex, or mutual masturbation).”CS1 одржавање: Формат датума (веза)
Ken Plummer (2002). Modern Homosexualities: Fragments of Lesbian and Gay Experiences. Routledge. стр. 1920—1921. ISBN978-1134922420. Архивирано из оригинала 12. 1. 2016. г. Приступљено 24. 8. 2013. „The social construction of 'sex' as vaginal intercourse affects how other forms of sexual activity are evaluated as sexually satisfying or arousing; in some cases whether an activity is seen as a sexual act at all. For example, unless a woman has been penetrated by a man's penis she is still technically a virgin even if she has had lots of sexual experience.”CS1 одржавање: Формат датума (веза)
Joseph Gross, Michael (2003). Like a Virgin. The Advocate. Here Publishing. стр. 44—45. 0001-8996. Архивирано из оригинала 3. 5. 2021. г. Приступљено 2011-03-13.CS1 одржавање: Формат датума (веза)
Robert Crooks; Karla Baur (2010). Our Sexuality. Cengage Learning. стр. 286—289. ISBN978-0495812944. Архивирано из оригинала 10. 3. 2021. г. Приступљено 30. 8. 2012. „Noncoital forms of sexual intimacy, which have been called outercourse, can be a viable form of birth control. Outercourse includes all avenues of sexual intimacy other than penile–vaginal intercourse, including kissing, touching, mutual masturbation, and oral and anal sex.”CS1 одржавање: Формат датума (веза)
Campo J, Perea MA, del Romero J, Cano J, Hernando V, Bascones A (2006). „Oral transmission of HIV, reality or fiction? An update”. Oral Dis. 12 (3): 219—28. PMID16700731. doi:10.1111/j.1601-0825.2005.01187.x.
Campo J, Perea MA, del Romero J, Cano J, Hernando V, Bascones A (2006). „Oral transmission of HIV, reality or fiction? An update”. Oral Dis. 12 (3): 219—28. PMID16700731. doi:10.1111/j.1601-0825.2005.01187.x.
Ken Plummer (2002). Modern Homosexualities: Fragments of Lesbian and Gay Experiences. Routledge. стр. 1920—1921. ISBN978-1134922420. Архивирано из оригинала 12. 1. 2016. г. Приступљено 24. 8. 2013. „The social construction of 'sex' as vaginal intercourse affects how other forms of sexual activity are evaluated as sexually satisfying or arousing; in some cases whether an activity is seen as a sexual act at all. For example, unless a woman has been penetrated by a man's penis she is still technically a virgin even if she has had lots of sexual experience.”CS1 одржавање: Формат датума (веза)
Joseph Gross, Michael (2003). Like a Virgin. The Advocate. Here Publishing. стр. 44—45. 0001-8996. Архивирано из оригинала 3. 5. 2021. г. Приступљено 2011-03-13.CS1 одржавање: Формат датума (веза)
Robert Crooks; Karla Baur (2010). Our Sexuality. Cengage Learning. стр. 286—289. ISBN978-0495812944. Архивирано из оригинала 10. 3. 2021. г. Приступљено 30. 8. 2012. „Noncoital forms of sexual intimacy, which have been called outercourse, can be a viable form of birth control. Outercourse includes all avenues of sexual intimacy other than penile–vaginal intercourse, including kissing, touching, mutual masturbation, and oral and anal sex.”CS1 одржавање: Формат датума (веза)