Gaya APA
Anita. (2014).
Coopera Tive Learning (2014).
Jakarta:
Grasindo.
Gaya Chicago
Anita.
Coopera Tive Learning.
2014
Jakarta:
Grasindo,
2014.
Text.
Gaya MLA
Anita.
Coopera Tive Learning.
2014
Jakarta:
Grasindo,
2014.
Text.
Gaya Turabian
Anita.
Coopera Tive Learning.
2014
Jakarta:
Grasindo,
2014.
Print.