APA (7 वां संस्करण) प्रशस्ति पत्र
Allen, S. H. (2011). Classical spies: American archaeologists with the OSS in World War II Greece. University of Michigan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Allen, Susan Heuck. Classical Spies: American Archaeologists with the OSS in World War II Greece. Ann Arbor: University of Michigan Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Allen, Susan Heuck. Classical Spies: American Archaeologists with the OSS in World War II Greece. University of Michigan Press, 2011.
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