Butcher, H. J., & Rudd, E. (1972). Contemporary problems in higher education; an account of research. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रButcher, Harold John, और Ernest Rudd. Contemporary Problems in Higher Education; an Account of Research. London: McGraw-Hill, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रButcher, Harold John, और Ernest Rudd. Contemporary Problems in Higher Education; an Account of Research. McGraw-Hill, 1972.
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