Gaya APA

lie, A., novita, D. (2014). Cooperative Learning: mempraktikkan cooperative learning di ruang-ruang kelas (1). Jakarta: Grasindo.

Gaya MLA

lie, Anita., novita, Diane. "Cooperative Learning: mempraktikkan cooperative learning di ruang-ruang kelas". 1 Jakarta: Grasindo, 2014. Text.