Schuiling (2016). Women's Gynecologic Health. Jones & Bartlett Learning. стр. 22. ISBN978-1-284-12501-6. Приступљено 20. 3. 2018. „The changes that occur during puberty usually happen in an ordered sequence, beginning with thelarche (breast development) at around age 10 or 11, followed by adrenarche (growth of pubic hair due to androgen stimulation), peak height velocity, and finally menarche (the onset of menses), which usually occurs around age 12 or 13.”CS1 одржавање: Формат датума (веза)
D. C. Phillips (2014). Encyclopedia of Educational Theory and Philosophy. Sage Publications. стр. 18—19. ISBN978-1-4833-6475-9. Приступљено 20. 3. 2018. „On average, the onset of puberty is about 18 months earlier for girls (usually starting around the age of 10 or 11 and lasting until they are 15 to 17) than for boys (who usually begin puberty at about the age of 11 to 12 and complete it by the age of 16 to 17, on average).”CS1 одржавање: Формат датума (веза)
Gluckman, Peter D.; Hanson, Mark A. (јануар 2006). „Evolution, development and timing of puberty”. Trends in Endocrinology & Metabolism. 17 (1): 7—12. PMID16311040. S2CID26141301. doi:10.1016/j.tem.2005.11.006.CS1 одржавање: Формат датума (веза)
Casey, BJ; Caudle, K (2013). „The Teenage Brain: Self Control”. Current Directions in Psychological Science. 22 (2): 82—87. doi:10.1177/0963721413480170.
Gluckman, Peter D.; Hanson, Mark A. (јануар 2006). „Evolution, development and timing of puberty”. Trends in Endocrinology & Metabolism. 17 (1): 7—12. PMID16311040. S2CID26141301. doi:10.1016/j.tem.2005.11.006.CS1 одржавање: Формат датума (веза)
Maranz Henig, Robin (18. 8. 2010). „What Is It About 20-Somethings?”. New York Times. стр. 10. Приступљено 24. 9. 2010. „THE DISCOVERY OF adolescence is generally dated to 1904, with the publication of the massive study "Adolescence," by G. Stanley Hall, a prominent psychologist and first president of the American Psychological Association.”
Gluckman, Peter D.; Hanson, Mark A. (јануар 2006). „Evolution, development and timing of puberty”. Trends in Endocrinology & Metabolism. 17 (1): 7—12. PMID16311040. S2CID26141301. doi:10.1016/j.tem.2005.11.006.CS1 одржавање: Формат датума (веза)