Holt, R. T., & Turner, J. E. (1970). The Methodology of comparative research: A symposium fromt the Center for Comparative Studies in Technological Development and Social Change and the Department of Political Science, University of Minnesota. Free Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolt, Robert T., और John Elliot Turner. The Methodology of Comparative Research: A Symposium Fromt the Center for Comparative Studies in Technological Development and Social Change and the Department of Political Science, University of Minnesota. New York: Free Press, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHolt, Robert T., और John Elliot Turner. The Methodology of Comparative Research: A Symposium Fromt the Center for Comparative Studies in Technological Development and Social Change and the Department of Political Science, University of Minnesota. Free Press, 1970.