Johnson, P. (1983). Modern times: The world from the twenties to the eighties. Harper & Row.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Paul. Modern Times: The World from the Twenties to the Eighties. New York [u.a.]: Harper & Row, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnson, Paul. Modern Times: The World from the Twenties to the Eighties. Harper & Row, 1983.
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