. Lashley (2000). The Person With HIV/AIDS: Nursing Perspectives (3rd ed.). Springer Publishing Company. p. 103. ISBN 978-8122300048. සම්ප්‍රවේශය January 29, 2012.↑ Robert Crooks; Karla Baur (2010). Our Sexuality. Cengage Learning. pp. 286–289. ISBN 978-0495812944. සම්ප්‍රවේශය August 30, 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.↑ Feldmann J, Middleman AB (2002). "Adolescent sexuality and sexual behavior". Current Opinion in Obstetrics and Gynecology. 14 (5): 489–493. doi:10.1097/00001703-200210000-00008. PMID 12401976.↑ Thomas, R. Murray (2009). Sex and the American teenager seeing through the myths and confronting the issues. Lanham, Md.: Rowman & Littlefield Education. p. 81. ISBN 9781607090182. සම්ප්‍රවේශය October 21, 2015.↑ Edlin, Gordon (