Sims, M. S. S. (1936). The natural history of a social institution: The Young women's Christian association. The Woman's press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSims, Mary Sophia Stevens. The Natural History of a Social Institution: The Young Women's Christian Association. New York: The Woman's press, 1936.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSims, Mary Sophia Stevens. The Natural History of a Social Institution: The Young Women's Christian Association. The Woman's press, 1936.
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