Ḥifnāwī, '. M. a. (1973). Ta'rīḫ an-nuẓum al-iǧtimā'īya wal-qānunīya.
Chicago Style (17th ed.) CitationḤifnāwī, 'Abdalmǧīd Muḥammad al-. Ta'rīḫ An-nuẓum Al-iǧtimā'īya Wal-qānunīya. 1973.
MLA (9th ed.) CitationḤifnāwī, 'Abdalmǧīd Muḥammad al-. Ta'rīḫ An-nuẓum Al-iǧtimā'īya Wal-qānunīya. 1973.
Warning: These citations may not always be 100% accurate.