APA (7e ed.) Bronvermelding

(2016). Principles of Economics. University of Minnesota Libraries Publishing.

Chicago (17e ed.) Bronvermelding

Principles of Economics. [Place of publication not identified]: University of Minnesota Libraries Publishing, 2016.

MLA (9e ed.) Bronvermelding

Principles of Economics. University of Minnesota Libraries Publishing, 2016.

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