Gaya APA

SHLOMO, S., SIGIT, P. (2009). Handbook of Cooperative Learning (Cet. 1). Yogyakarta: IMPERIUM.

Gaya MLA

SHLOMO, Sharan., SIGIT, Prawoto. "Handbook of Cooperative Learning". Cet. 1 Yogyakarta: IMPERIUM, 2009. Text.