APA (7th ed.) Citation

Hawwa. (1988). Al-Islam: Syahadatain dan fenomena kekufuran. Thinker's Library.

Chicago Style (17th ed.) Citation

Hawwa. Al-Islam: Syahadatain Dan Fenomena Kekufuran. Selangor: Thinker's Library, 1988.

MLA (8th ed.) Citation

Hawwa. Al-Islam: Syahadatain Dan Fenomena Kekufuran. Thinker's Library, 1988.