Gaya APA

Umar Bin Al-Khathab. (2008). Jakarta: [s.n.].

Gaya Chicago

Umar Bin Al-Khathab. . Jakarta: [s.n.], 2008. Text.

Gaya MLA

Umar Bin Al-Khathab. . Jakarta: [s.n.], 2008. Text.

Gaya Turabian

Umar Bin Al-Khathab. Jakarta: [s.n.], 2008. Print.