Gaya APA

Wentzel, K, R., Brophy, J, E. (2014). Motivating students to learn (4th ed.). New York: Routledge.

Gaya MLA

Wentzel, Kathryn, R.., Brophy, Jere, E.. "Motivating students to learn". 4th ed. New York: Routledge, 2014. Text.