APA (7th ed.) Citation

HAMKA, P. D. (1981). Doktrin Islam iman menimbulkan keberanian. Pustaka Melayu Baru.

Chicago Style (17th ed.) Citation

HAMKA, Prof. Dr. Doktrin Islam Iman Menimbulkan Keberanian. Kuala Lumpur: Pustaka Melayu Baru, 1981.

MLA (8th ed.) Citation

HAMKA, Prof. Dr. Doktrin Islam Iman Menimbulkan Keberanian. Pustaka Melayu Baru, 1981.

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