Warren. The Road to the Spring. Syracuse University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarren. The Road to the Spring. Syracuse University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWarren. The Road to the Spring. Syracuse University Press.
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