J. Kelley Sowards. (1979). Makers of the Western tradition: Portraits from history (2nd.ed.). St.Martin's.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJ. Kelley Sowards. Makers of the Western Tradition: Portraits from History. 2nd.ed. New York: St.Martin's, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJ. Kelley Sowards. Makers of the Western Tradition: Portraits from History. 2nd.ed. St.Martin's, 1979.
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