Stevens, R. D. (1977). Tradition and dynamics in small-farm agriculture: Economic studies in Asia, Africa, and Latin America. Iowa State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStevens, Robert D. Tradition and Dynamics in Small-farm Agriculture: Economic Studies in Asia, Africa, and Latin America. Ames, Iowa: Iowa State University Press, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStevens, Robert D. Tradition and Dynamics in Small-farm Agriculture: Economic Studies in Asia, Africa, and Latin America. Iowa State University Press, 1977.
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