Swindall. The Path to the Greater, Freer, Truer World. University Press of Florida.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSwindall. The Path to the Greater, Freer, Truer World. University Press of Florida.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSwindall. The Path to the Greater, Freer, Truer World. University Press of Florida.
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