Kohler, H. (1992). Economics. D.C. Heath and Company.
Chicagoスタイル(17版)引用形式Kohler, Heinz. Economics. Lexington: D.C. Heath and Company, 1992.
MLA(9版)引用形式Kohler, Heinz. Economics. D.C. Heath and Company, 1992.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式