Gaya APA
Cooperative Learning. (2008).
Jakarta:
Bumi Aksara.
Gaya Chicago
Cooperative Learning.
Ed.1, Cet.2.
Jakarta:
Bumi Aksara,
2008.
.
Gaya MLA
Cooperative Learning.
Ed.1, Cet.2.
Jakarta:
Bumi Aksara,
2008.
.
Gaya Turabian
Cooperative Learning.
Jakarta:
Bumi Aksara,
2008.
.