APA-čujuhus (7. p.)
American Agricultural Economics Association, ebrary, Inc, & Martin, L. R. (1981). Economics of welfare, rural development and natural resources in agriculture 1940s to 1970s. University of Minnesota Press for the American Agricultural Economics Association.
Chicago-čujuhus (17. p.)
American Agricultural Economics Association, Inc ebrary, juo Lee R. Martin. Economics of Welfare, Rural Development and Natural Resources in Agriculture 1940s to 1970s. Minneapolis: University of Minnesota Press for the American Agricultural Economics Association, 1981.
MLA-čujuhus (9. p.)
American Agricultural Economics Association, et al. Economics of Welfare, Rural Development and Natural Resources in Agriculture 1940s to 1970s. University of Minnesota Press for the American Agricultural Economics Association, 1981.
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