APA (7th ed.) Citation

Zulkifli Khair, Abdul Ghani Jalil, & Khair Abdul Salam. (2008). 501 soal jawab tentang haji & umrah. PTS Publications & Distributors.

Chicago Style (17th ed.) Citation

Zulkifli Khair, Abdul Ghani Jalil, and Khair Abdul Salam. 501 Soal Jawab Tentang Haji & Umrah. Selangor: PTS Publications & Distributors, 2008.

MLA (8th ed.) Citation

Zulkifli Khair, et al. 501 Soal Jawab Tentang Haji & Umrah. PTS Publications & Distributors, 2008.

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