Gaya APA

Natsir, M, E. (2010). Ashabul Kahfi : The Great Story Of Faith and Humanity (Cet.1). Gorontalo: Libraries Unlimited.

Gaya MLA

Natsir, Muhammad, El. "Ashabul Kahfi : The Great Story Of Faith and Humanity". Cet.1 Gorontalo: Libraries Unlimited, 2010. Text.