American Agricultural Economics Association., ProQuest (Firm), & Martin, L. R. (1977). Traditional fields of agricultural economics, 1940s to 1970s. Minneapolis: Published by the University of Minnesota Press for the American Agricultural Economics Association.
Chicago Style CitationAmerican Agricultural Economics Association., ProQuest (Firm), and Lee R. Martin. Traditional Fields of Agricultural Economics, 1940s to 1970s. Minneapolis: Published by the University of Minnesota Press for the American Agricultural Economics Association, 1977.
MLA CitationAmerican Agricultural Economics Association., ProQuest (Firm), and Lee R. Martin. Traditional Fields of Agricultural Economics, 1940s to 1970s. Minneapolis: Published by the University of Minnesota Press for the American Agricultural Economics Association, 1977.