Gaya APA

Pintrich, P, R., Schunk, D, H. (2002). Motivation in education : theory, research and applications . New Jersey: Merrill Prentice Hall.

Gaya MLA

Pintrich, Paul, R., Schunk, Dale, H. "Motivation in education : theory, research and applications". New Jersey: Merrill Prentice Hall, 2002. Text.