APA Style
Haikal, Husein Muhammad. (1994).
Khalifah Rasulullah Abubakar Ash Shiddiq .
Solo:
Pustaka Mantiq.
Chicago Style
Haikal, Husein Muhammad.
Khalifah Rasulullah Abubakar Ash Shiddiq.
Solo:
Pustaka Mantiq,
1994.
Buku.
MLA Style
Haikal, Husein Muhammad.
Khalifah Rasulullah Abubakar Ash Shiddiq.
Solo:
Pustaka Mantiq,
1994.
Buku.
Turabian Style
Haikal, Husein Muhammad.
Khalifah Rasulullah Abubakar Ash Shiddiq.
Solo:
Pustaka Mantiq,
1994.
Buku.