APA (7 वां संस्करण) प्रशस्ति पत्र
Lewis, P. (2013). Hardhats, hippies, and hawks: The Vietnam antiwar movement as myth and memory. ILR Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lewis, Penny. Hardhats, Hippies, and Hawks: The Vietnam Antiwar Movement as Myth and Memory. Ithaca: ILR Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lewis, Penny. Hardhats, Hippies, and Hawks: The Vietnam Antiwar Movement as Myth and Memory. ILR Press, 2013.
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