Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.