Gaya APA
Umar, A, U.
(2).
Al-bayan wa al-tabyin IV
.
Birut:
Dar al-Fikr.
Gaya MLA
Umar, Abi, Usman.
"Al-bayan wa al-tabyin IV".
Birut:
Dar al-Fikr,
2.
Buku Tercetak.