Gaya APA

Zahra, M, A, ., Maksum, S. (2005). Ushul Fiqih . Bandung: Pustaka Firdaus.

Gaya MLA

Zahra, Muhammad, Abu, ., Maksum, Saefullah. "Ushul Fiqih". Bandung: Pustaka Firdaus, 2005. Text.