Gaya APA

Schunk, D, H. et al (2008). Motivation in Education : Theory, Research, and Applications Ed. 3'rd (3). New Jersey: Pearson Education.

Gaya MLA

Schunk, Dale, H.. et al. "Motivation in Education : Theory, Research, and Applications Ed. 3'rd". 3 New Jersey: Pearson Education, 2008. Text.