Gaya APA
Jabal, N, S.
(2013).
Serial Sahabat Dijamin Masuk Surga : Umar Bin Khaththab
.
Jakarta:
Perisai Quran.
Gaya MLA
Jabal, Nizar, Sa'ad.
"Serial Sahabat Dijamin Masuk Surga : Umar Bin Khaththab".
Jakarta:
Perisai Quran,
2013.
Text.