Gaya APA
Hanbal, I, A, B, M, B.
(2011).
Musnad Imam Ahmad Jilid 21
.
Jakarta:
Uluangkep Press.
Gaya MLA
Hanbal, Imam, Ahmad, Bin, Muhammad, Bin.
"Musnad Imam Ahmad Jilid 21".
Jakarta:
Uluangkep Press,
2011.
Buku Tex.