Gaya APA

Covey, S, R. (2013). The 7 Habits of highly effective people :powerful lessons in personal change / (Ed. 1.). Jakarta: Simon & Schuster,.

Gaya MLA

Covey, Stephen, R.. "The 7 Habits of highly effective people :powerful lessons in personal change /". Ed. 1. Jakarta: Simon & Schuster,, 2013. Non Fiction.