APA引文

GUELL, R. C. (2021). Issues in economics today. McGraw-Hill Education.

Chicago Style (17th ed.) Citation

GUELL, Robert C. Issues in Economics Today. McGraw-Hill Education, 2021.

MLA引文

GUELL, Robert C. Issues in Economics Today. McGraw-Hill Education, 2021.

警告：這些引文格式不一定是100％准確.