Gaya APA

Qardhawi, Y., al-Kattani, A, H. (2000). Sunnah & Bid'ah . Jakarta: Gema Insani Press.

Gaya MLA

Qardhawi, Yusuf., al-Kattani, Abdul, Hayyie. "Sunnah & Bid'ah". Jakarta: Gema Insani Press, 2000. Text.