Gaya APA
PINTRICH, P, R., SCHUNK, D, H.
(2002).
Motivation in education :
(
ed. 2)
.
New Jersey:
Pearson Education.
Gaya MLA
PINTRICH, Paul, R.., SCHUNK, Dale, H..
"Motivation in education :".
ed. 2
New Jersey:
Pearson Education,
2002.
Buku.