Gaya APA

[et.al.], J, D, C. (2011). The Stability of Perceived Pubertal Timing Across Adolescence . New York: Springer Science+Business Media.

Gaya MLA

[et.al.], Jessica, Duncan, Cance. "The Stability of Perceived Pubertal Timing Across Adolescence". New York: Springer Science+Business Media, 2011. e-journal.