Gaya APA

Lie, A. (2008). Cooperative learning : mempraktikkan cooperative learning di ruang-ruang kelas (cet. 6). : Grasindo.

Gaya MLA

Lie, Anita. "Cooperative learning : mempraktikkan cooperative learning di ruang-ruang kelas". cet. 6 : Grasindo, 2008. Text.