APA ציטוט

Guell, C. R. (2007). Issues in economics today. Boston: McGraw-Hill/Irwin.

Trích dẫn kiểu Chicago

Guell, C. Robert. Issues in Economics Today. Boston: McGraw-Hill/Irwin, 2007.

ציטוט MLA

Guell, C. Robert. Issues in Economics Today. Boston: McGraw-Hill/Irwin, 2007.