Gaya APA
Ormrod, J, E. (2003).
Educational Psychology: developing learners (Ed. 4).
New Jersey:
Merrill Prentice Hall.
Gaya MLA
Ormrod, Jeanne, Ellis.
"Educational Psychology: developing learners".
Ed. 4
New Jersey:
Merrill Prentice Hall,
2003.
Psikologi S-1.