Schmaus. Love, Order, and Progress. University of Pittsburgh Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmaus. Love, Order, and Progress. University of Pittsburgh Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchmaus. Love, Order, and Progress. University of Pittsburgh Press.
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