APA Style
Haikal, D, M, H.
(2007).
Biografi Abu Bakar Ash-Shiddiq
.
JAKARTA:
Qisthi Press.
MLA Style
Haikal, Dr., Muhammad, Husain.
"Biografi Abu Bakar Ash-Shiddiq".
JAKARTA:
Qisthi Press,
2007.
Text.