Gaya APA

al-Kaff, H, A. (2011). Where There is a Problem There are many Solutions (ed. revisi). Yogyakarta: B.H.S.Media.

Gaya MLA

al-Kaff, Hasan, Abdullah. "Where There is a Problem There are many Solutions". ed. revisi Yogyakarta: B.H.S.Media, 2011. Text.