Khayyam, U., Nadvi, N. A., & Mahfuz-ul-Haq, M. (1939). The Rubâʻîyât of ʻUmar-i Khayyâm. The Rayal Asiatic Society of Bengal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKhayyam, Umar-i-, Najeeb Ashraf Nadvi, और M. Mahfuz-ul-Haq. The Rubâʻîyât of ʻUmar-i Khayyâm. The Rayal Asiatic Society of Bengal, 1939.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKhayyam, Umar-i-, et al. The Rubâʻîyât of ʻUmar-i Khayyâm. The Rayal Asiatic Society of Bengal, 1939.
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