United States Information Agency. American sketchbook. Short biosketches of 21 distinguished americans.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.
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