Kohler, H. (1992). Economics. D.C. Heath and Company.
芝加哥风格引文Kohler, Heinz. Economics. Lexington: D.C. Heath and Company, 1992.
MLA引文Kohler, Heinz. Economics. D.C. Heath and Company, 1992.
警告：这些引文格式不一定是100％准确.
APA引文
Kohler, H. (1992). Economics. D.C. Heath and Company.
芝加哥风格引文Kohler, Heinz. Economics. Lexington: D.C. Heath and Company, 1992.
MLA引文Kohler, Heinz. Economics. D.C. Heath and Company, 1992.