APA (7e ed.) Bronvermelding

Gill, R. T. (1991). Economics and the public interest (5th ed.). Mayfield Pub. Co..

Chicago (17e ed.) Bronvermelding

Gill, Richard T. Economics and the Public Interest. 5th ed. Mountain View, Calif.: Mayfield Pub. Co., 1991.

MLA (8e ed.) Bronvermelding

Gill, Richard T. Economics and the Public Interest. 5th ed. Mayfield Pub. Co., 1991.