APA引文

Guell, R. C. (2015). Issues in economics today 7 ed. McGraw-Hill.

Chicago Style (17th ed.) Citation

Guell, Robert C. Issues in Economics Today 7 Ed. McGraw-Hill, 2015.

MLA引文

Guell, Robert C. Issues in Economics Today 7 Ed. McGraw-Hill, 2015.

警告：这些引文格式不一定是100％准确.