APA Style
Azeem, Sherif Abdel. (2001).
Sabda Langit .
Yogyakarta:
Gama Media.
Chicago Style
Azeem, Sherif Abdel.
Sabda Langit.
Yogyakarta:
Gama Media,
2001.
Text.
MLA Style
Azeem, Sherif Abdel.
Sabda Langit.
Yogyakarta:
Gama Media,
2001.
Text.
Turabian Style
Azeem, Sherif Abdel.
Sabda Langit.
Yogyakarta:
Gama Media,
2001.
Print.