APA Style
Hakam, A, B, A.
(2002).
Biografi Umar bin Abdul Aziz penegak keadilan
.
Semarang:
Gema Insani Press.
MLA Style
Hakam, Abdullah, Bin, Abdul.
"Biografi Umar bin Abdul Aziz penegak keadilan".
Semarang:
Gema Insani Press,
2002.
Text.