Gaya APA

Gangel, K, O. (2012). Communication & Conflict Management (Cet. 1). Malang, Jawa Timur: Gandum Mas.

Gaya MLA

Gangel, Kenneth, O.. "Communication & Conflict Management". Cet. 1 Malang, Jawa Timur: Gandum Mas, 2012. Text.