Gaya APA
Collaborative Learning Techniques. (2012).
Bandung:
Nusamedia.
Gaya Chicago
Collaborative Learning Techniques.
.
Bandung:
Nusamedia,
2012.
Text.
Gaya MLA
Collaborative Learning Techniques.
.
Bandung:
Nusamedia,
2012.
Text.
Gaya Turabian
Collaborative Learning Techniques.
Bandung:
Nusamedia,
2012.
Print.