Gaya APA
Anita, L., Novita, D. (2005).
Cooperative learning mempraktikkan cooperative learning di ruang-ruang kelas .
Jakarta:
Grasindo.
Gaya MLA
Anita, Lie., Novita, Diane.
"Cooperative learning mempraktikkan cooperative learning di ruang-ruang kelas".
Jakarta:
Grasindo,
2005.
Text.