Gaya APA

Santrock, J, W., Widyasinta, B. (2007). Remaja ed. 11, jil. 2 (ed. 11, jil. 2). jakarta: erlangga.

Gaya MLA

Santrock, John, W.., Widyasinta, Benedictine. "Remaja ed. 11, jil. 2". ed. 11, jil. 2 jakarta: erlangga, 2007. MPK.