Gaya APA

Abu Bakar Ash-Shiddiq. (). : .

Gaya Chicago

Abu Bakar Ash-Shiddiq. . : , . Buku Teks.

Gaya MLA

Abu Bakar Ash-Shiddiq. . : , . Buku Teks.

Gaya Turabian

Abu Bakar Ash-Shiddiq. : , . Buku Teks.