Zulkifli Khair, Abdul Ghani Jalil, & Khair Abd. Salam. (2008). 501 soal jawab tentang haji dan umrah. PTS Islamika.
Chicago Style (17th ed.) CitationZulkifli Khair, Abdul Ghani Jalil, and Khair Abd. Salam. 501 Soal Jawab Tentang Haji Dan Umrah. Batu Caves, Selangor: PTS Islamika, 2008.
MLA (9th ed.) CitationZulkifli Khair, et al. 501 Soal Jawab Tentang Haji Dan Umrah. PTS Islamika, 2008.
Warning: These citations may not always be 100% accurate.