Barnes, B. (1977). Interests and the growth of knowledge. Routledge and Kegan Paul.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarnes, Barry. Interests and the Growth of Knowledge. Routledge and Kegan Paul, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBarnes, Barry. Interests and the Growth of Knowledge. Routledge and Kegan Paul, 1977.
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