Gaya APA

Sastrahidayat, P, D, I, R. (2011). Ridlo Allah, Tergantung Anda . Malang: UB Press.

Gaya MLA

Sastrahidayat, Prof., Dr., Ika, Rochajatun. "Ridlo Allah, Tergantung Anda". Malang: UB Press, 2011. Text.