APA (7th ed.) Citation

az-Zain & Syihabudin. (1988). Siapakah umat Islam itu? Darul Fikir.

Chicago Style (17th ed.) Citation

az-Zain and Syihabudin. Siapakah Umat Islam Itu? Kuala Lumpur: Darul Fikir, 1988.

MLA (8th ed.) Citation

az-Zain and Syihabudin. Siapakah Umat Islam Itu? Darul Fikir, 1988.

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