APA (7th ed.) Citation

HAFIDZY., E. H. (1978). Rukun Islam.

Chicago Style (17th ed.) Citation

HAFIDZY., E. Hasbullah. Rukun Islam. 1978.

MLA (8th ed.) Citation

HAFIDZY., E. Hasbullah. Rukun Islam. 1978.

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