WILCOX, W. W., & COCHRANE, W. W. (1960). Economics of American agriculture.-- ed.2. Prentice-Hall.
Chicago-čujuhus (17. p.)WILCOX, Walter W., juo Willard W. COCHRANE. Economics of American Agriculture.-- Ed.2. New Jersey: Prentice-Hall, 1960.
MLA-čujuhus (9. p.)WILCOX, Walter W., juo Willard W. COCHRANE. Economics of American Agriculture.-- Ed.2. Prentice-Hall, 1960.
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