Gaya APA

BARKLEY, E, E., Yusron, N. (2012). Collaborative learning techniques: teknik-teknik pembelajaran kolaboratif . Bandung: Nusamedia.

Gaya MLA

BARKLEY, Elisabeth, E., Yusron, Narulita. "Collaborative learning techniques: teknik-teknik pembelajaran kolaboratif". Bandung: Nusamedia, 2012. Book.