1. Abad M.(2018).Digital‐only magazine covers are bringing media brands into the digital age.Fashionista.https://fashionista.com/2018/01/digital‐only‐magazine‐covers‐trend(accessed 1 April 2019).
2. What do teens know about the facts of life?;Amonker R.G.;Journal of Social Health,1980
3. From Whom have College Students Learned What about Sex?
4. Arnold A.(2017).Teen VogueEditor‐in‐chief Elaine Welteroth is leaving condé nast.The Cut.https://www.thecut.com/2018/01/teen‐vogue‐eic‐elaine‐welteroth‐is‐leaving‐cond‐nast.html(accessed 1 April 2019).