Gaya APA

Ustman, A, U. (1989). Muqaddimah Ibn Al Shalah : Abi Umar Ustman . Beirut: Dar al Kutub.

Gaya MLA

Ustman, Abi, Umar. "Muqaddimah Ibn Al Shalah : Abi Umar Ustman". Beirut: Dar al Kutub, 1989. Buku.