A'aidil Abdullah Al-Qarni. (1999). 30 tanda-tanda orang munafik. Pustaka ilmi.
Chicago Style (17th ed.) CitationA'aidil Abdullah Al-Qarni. 30 Tanda-tanda Orang Munafik. Selangor: Pustaka ilmi, 1999.
MLA (9th ed.) CitationA'aidil Abdullah Al-Qarni. 30 Tanda-tanda Orang Munafik. Pustaka ilmi, 1999.
Warning: These citations may not always be 100% accurate.