Desikavinayakam Pillai, S. (1978). Umar Khayyam. Paari Nilayan.
Chicago Edition CitationDesikavinayakam Pillai, S. Umar Khayyam. Madras: Paari Nilayan, 1978.
MLA Edition CitationDesikavinayakam Pillai, S. Umar Khayyam. Paari Nilayan, 1978.
Warning: These citations may not always be 100% accurate.