Gaya APA
Suprijono. (2014).
Cooperative learning .
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Suprijono.
Cooperative learning.
Yogyakarta:
Pustaka Pelajar,
2014.
Text.
Gaya MLA
Suprijono.
Cooperative learning.
Yogyakarta:
Pustaka Pelajar,
2014.
Text.
Gaya Turabian
Suprijono.
Cooperative learning.
Yogyakarta:
Pustaka Pelajar,
2014.
Print.