APA (7th ed.) Citation

Abd al-tawwab Yusuf. Rukun Islam1: Syahadat. Darul fikir.

Chicago Style (17th ed.) Citation

Abd al-tawwab Yusuf. Rukun Islam1: Syahadat. Kuala Lumpur: Darul fikir.

MLA (9th ed.) Citation

Abd al-tawwab Yusuf. Rukun Islam1: Syahadat. Darul fikir.

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