APA (7e ed.) Bronvermelding

McEACHERN, W. A. (2003). Economics: A contemporary introduction.-- ed.6. Thomson South-Western.

Chicago (17e ed.) Bronvermelding

McEACHERN, William A. Economics: A Contemporary Introduction.-- Ed.6. Australia: Thomson South-Western, 2003.

MLA (9e ed.) Bronvermelding

McEACHERN, William A. Economics: A Contemporary Introduction.-- Ed.6. Thomson South-Western, 2003.