American Agricultural Economics Association., Michigan State University. Dept. of Agricultural Economics., Northeastern Agricultural and Resource Economics Association (U.S.), Southern Agricultural Economics Association., & Western Agricultural Economics Association. (1991). Review of agricultural economics. East Lansing, MI: Dept. of Agricultural Economics, Michigan State University.

American Agricultural Economics Association., Michigan State University. Dept. of Agricultural Economics, Northeastern Agricultural and Resource Economics Association (U.S.), Southern Agricultural Economics Association, ja Western Agricultural Economics Association. Review of Agricultural Economics. East Lansing, MI: Dept. of Agricultural Economics, Michigan State University, 1991.

American Agricultural Economics Association., et al. Review of Agricultural Economics. East Lansing, MI: Dept. of Agricultural Economics, Michigan State University, 1991.