Gaya APA

Natsir, M, E. (2010). Ashabul Kahfi: the great story of faith and humanity (Cet.1). Yogyakarta: Diva Press.

Gaya MLA

Natsir, Muhammad, El. "Ashabul Kahfi: the great story of faith and humanity". Cet.1 Yogyakarta: Diva Press, 2010. Text.