APA Style

Ahmad, A, F., Andhini, S, N. (2011). Ijtihad Abu Bakar Ash Shidiq . Jakarta: Pustaka Balqis.

MLA Style

Ahmad, Ahmad, Faiz., Andhini, Siti, Nur. "Ijtihad Abu Bakar Ash Shidiq". Jakarta: Pustaka Balqis, 2011. Text.