George, O. (1975). Ulkadal. Sahitya Pravarthaka Sahakarana Sangam.
Chicago Edition CitationGeorge, Onakkur. Ulkadal. Sahitya Pravarthaka Sahakarana Sangam, 1975.
MLA Edition CitationGeorge, Onakkur. Ulkadal. Sahitya Pravarthaka Sahakarana Sangam, 1975.
Warning: These citations may not always be 100% accurate.