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