Williams, S. W. (1970). Organization and competition in the Midwest dairy industries (1st ed.].). Iowa State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Sheldon W. Organization and Competition in the Midwest Dairy Industries. 1st ed.]. Ames: Iowa State University Press, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Sheldon W. Organization and Competition in the Midwest Dairy Industries. 1st ed.]. Iowa State University Press, 1970.
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