Ǧābirī, R. a. (1994). ʿUmar Haiyām: Wa-falsafat al-aiyām (aṭ-Ṭabʿa 1.). Dār al-Maʿārif.
Chicago Style (17th ed.) CitationǦābirī, Riyāḍ al-. ʿUmar Haiyām: Wa-falsafat Al-aiyām. aṭ-Ṭabʿa 1. Ḥimṣ: Dār al-Maʿārif, 1994.
MLA (9th ed.) CitationǦābirī, Riyāḍ al-. ʿUmar Haiyām: Wa-falsafat Al-aiyām. aṭ-Ṭabʿa 1. Dār al-Maʿārif, 1994.
Warning: These citations may not always be 100% accurate.