Gaya APA

G, W, P. (2009). educational psychology : active learning edition (ed. 10, ce. 1, buku 2). Yogyakarta: Pustaka Pelajar.

Gaya MLA

G, Woodford;, Paul. "educational psychology : active learning edition". ed. 10, ce. 1, buku 2 Yogyakarta: Pustaka Pelajar, 2009. .