Gaya APA
Educational psychology. (1983).
Illinois:
F.E. Peacock Publishers, Inc..
Gaya Chicago
Educational psychology.
.
Illinois:
F.E. Peacock Publishers, Inc.,
1983.
Buku.
Gaya MLA
Educational psychology.
.
Illinois:
F.E. Peacock Publishers, Inc.,
1983.
Buku.
Gaya Turabian
Educational psychology.
Illinois:
F.E. Peacock Publishers, Inc.,
1983.
Buku.