Bowers, D. F. (1952). Foreign influences in American life. Smith.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBowers, David Frederick. Foreign Influences in American Life. New York: Smith, 1952.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBowers, David Frederick. Foreign Influences in American Life. Smith, 1952.
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