Ross, R. (1951). Introduction to agricultural economics. McGraw Hill Book Company.
シカゴスタイル引用形Ross, Robert.C. Introduction to Agricultural Economics. New York: McGraw Hill Book Company, 1951.
MLA引用形式Ross, Robert.C. Introduction to Agricultural Economics. McGraw Hill Book Company, 1951.
警告: この引用は必ずしも正確ではありません.