APA (7th ed.) Citation

Khalik, A. A. (1991). Wajah Orang-orang Kufur. Gema Insani Press.

Chicago Style (17th ed.) Citation

Khalik, Abdurrahman Abdul. Wajah Orang-orang Kufur. Gema Insani Press, 1991.

MLA (8th ed.) Citation

Khalik, Abdurrahman Abdul. Wajah Orang-orang Kufur. Gema Insani Press, 1991.

Warning: These citations may not always be 100% accurate.