APA Style
Harahap, S., Nasution, H, B.
(2003).
Ensiklopedia Aqidah Islam
(
1)
.
Jakarta:
Prenada MediaGroup.
MLA Style
Harahap, Syahrin., Nasution, Hasan, Bakti.
"Ensiklopedia Aqidah Islam".
1
Jakarta:
Prenada MediaGroup,
2003.
Text.