APA (7th ed.) Citation

Umari, B. (1989). Langkah-langkah juru da'wah. Ramadhan.

Chicago Style (17th ed.) Citation

Umari, Barmawi. Langkah-langkah Juru Da'wah. Ramadhan, 1989.

MLA (8th ed.) Citation

Umari, Barmawi. Langkah-langkah Juru Da'wah. Ramadhan, 1989.

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