Gaya APA

Ghofur, S, A. (2015). Bahaya Akhlak Tercela . Yogyakarta: PT. PUSTAKA INSAN MADANI.

Gaya MLA

Ghofur, Saiful, Amin. "Bahaya Akhlak Tercela". Yogyakarta: PT. PUSTAKA INSAN MADANI, 2015. Text.