Gaya APA

Abdullah, A, F. (2014). Keep Positive Thinking : 20 Tips Membangun Kepribadian Islami (1). Jakarta: GEMA INSANI PRESS.

Gaya MLA

Abdullah, Adil, Fathi. "Keep Positive Thinking : 20 Tips Membangun Kepribadian Islami". 1 Jakarta: GEMA INSANI PRESS, 2014. Manuscript.