al-Humaydi, S. i. '. M. (1983). aL-Hukm al-wad'i 'inda al-usuliyin. Jami'at Umm al-Qura.
Chicago Style (17th ed.) Citational-Humaydi, Sa'id ibn 'Ali Muhammad. AL-Hukm Al-wad'i 'Inda Al-usuliyin. [Saudi Arabia]: Jami'at Umm al-Qura, 1983.
MLA (8th ed.) Citational-Humaydi, Sa'id ibn 'Ali Muhammad. AL-Hukm Al-wad'i 'Inda Al-usuliyin. Jami'at Umm al-Qura, 1983.
Warning: These citations may not always be 100% accurate.