Gaya APA

Vannier, S, A., O’Sullivan, L, F. (2012). Who Gives and Who Gets: Why, When, and with Whom Young People Engage in Oral Sex . New York: Springer Science+Business Media.

Gaya MLA

Vannier, Sarah, A.., O’Sullivan, Lucia, F.. "Who Gives and Who Gets: Why, When, and with Whom Young People Engage in Oral Sex". New York: Springer Science+Business Media, 2012. e-journal.