Gaya APA

Covey, S, R., Ilyas, F. (2012). The 3rd alternative (Cet. 3). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Covey, Stephen, R., Ilyas, Fairano. "The 3rd alternative". Cet. 3 Jakarta: Gramedia Pustaka Utama, 2012. Text.