Alderson, W. e. (1965). Patents and progress; the sources and impact of advancing technology. R. D. Irwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlderson, Wroe ed. Patents and Progress; the Sources and Impact of Advancing Technology. Homewood, Ill: R. D. Irwin, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAlderson, Wroe ed. Patents and Progress; the Sources and Impact of Advancing Technology. R. D. Irwin, 1965.
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