Gaya APA

Covey, S, R. (2012). The 3rd Alternative (Cet. 2 (2012)). Jakarta: Jakarta.Gramedia Pustaka Utama.

Gaya MLA

Covey, Stephen, R.. "The 3rd Alternative". Cet. 2 (2012) Jakarta: Jakarta.Gramedia Pustaka Utama, 2012. Text.