Não informado. (1992). Journal of Agricultural and Resource Economics. Western Agricultural Economics Association.
Chicagoスタイル(17版)引用形式Não informado. Journal of Agricultural and Resource Economics. Bozeman, Mont: Western Agricultural Economics Association, 1992.
MLA(8版)引用形式Não informado. Journal of Agricultural and Resource Economics. Western Agricultural Economics Association, 1992.
警告: この引用は必ずしも正確ではありません.