Byles, J. B. (1912). Sophisms of free-trade and popular political economy examined (2d American.). The American protective tariff league.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रByles, John Barnard. Sophisms of Free-trade and Popular Political Economy Examined. 2d American. New York: The American protective tariff league, 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रByles, John Barnard. Sophisms of Free-trade and Popular Political Economy Examined. 2d American. The American protective tariff league, 1912.
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