APA ציטוט

Guell, R. C. (2010). Issues in economics today. Boston: McGraw-Hill/Irwin.

Trích dẫn kiểu Chicago

Guell, Robert C. Issues in Economics Today. Boston: McGraw-Hill/Irwin, 2010.

ציטוט MLA

Guell, Robert C. Issues in Economics Today. Boston: McGraw-Hill/Irwin, 2010.