APA (7e ed.) Bronvermelding

Guell, R. C. (2010). Issues in Economics Today. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Guell, Robert C. Issues in Economics Today. McGraw-Hill, 2010.

MLA (8e ed.) Bronvermelding

Guell, Robert C. Issues in Economics Today. McGraw-Hill, 2010.

Let op: Deze citaties zijn niet altijd 100% accuraat.