APA引文

Clark, J. R. (1982). Study Guide for Essentials of Economics. ELSEVIER.

芝加哥风格引文

Clark, J. R. Study Guide for Essentials of Economics. ELSEVIER, 1982.

MLA引文

Clark, J. R. Study Guide for Essentials of Economics. ELSEVIER, 1982.

警告：这些引文格式不一定是100％准确.