Children, R. (2016). Periods: helping adolescent girls | Raising Children Network. [online] Raisingchildren.net.au. Available at: http://raisingchildren.net.au/articles/periods.html [Accessed 25 May 2016].
Healthinsite.gov.au. (2016). Health Insite. [online] Available at: http://www.healthinsite.gov.au/article/girls-and-puberty [Accessed 25 May 2016].
Medical News Today. (2009). What is puberty? What is early puberty? What is late puberty?. [online] Available at: http://www.medicalnewstoday.com/articles/156451.php [Accessed 25 May 2016].
Parents, P. (2016). Puberty 101 for Parents. [online] Plannedparenthood.org. Available at: https://www.plannedparenthood.org/parents/puberty-101-for-parents [Accessed 25 May 2016].
Raisingchildren.net.au. (2016). Centre for Adolescent Health | Raising Children Network. [online] Available at: http://raisingchildren.net.au/articles/cah_content_partner.html [Accessed 25 May 2016].
Wikipedia. (2016). Puberty. [online] Available at: https://en.wikipedia.org/wiki/Puberty [Accessed 25 May 2016].