Gaya APA
Lie, A. (2002).
Cooperative Learning : Memperaktikan Cooperative Learning Di Ruang-Ruang Kelas .
Jakarta:
PT Grasindo.
Gaya MLA
Lie, Anita.
"Cooperative Learning : Memperaktikan Cooperative Learning Di Ruang-Ruang Kelas".
Jakarta:
PT Grasindo,
2002.
Text.