FELDMAN, A. (1979). Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
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