APA (7 वां संस्करण) प्रशस्ति पत्र
Lewis, T. L. (2009). C.P. Snow's Strangers and brothers as mid-twentieth-century history. Peter Lang.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lewis, Terrance L. C.P. Snow's Strangers and Brothers as Mid-twentieth-century History. New York: Peter Lang, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lewis, Terrance L. C.P. Snow's Strangers and Brothers as Mid-twentieth-century History. Peter Lang, 2009.
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