Gaya APA

Alkudus. (2017). : Grafindo Media Pratama.

Gaya Chicago

Alkudus. . : Grafindo Media Pratama, 2017. Text.

Gaya MLA

Alkudus. . : Grafindo Media Pratama, 2017. Text.

Gaya Turabian

Alkudus. : Grafindo Media Pratama, 2017. Print.