APA (7e ed.) Bronvermelding

Boyce, R. R. (1978). The bases of economic geography (2nd ed.). Holt, Rinehart and Winston.

Chicago (17e ed.) Bronvermelding

Boyce, Ronald R. The Bases of Economic Geography. 2nd ed. New York: Holt, Rinehart and Winston, 1978.

MLA (9e ed.) Bronvermelding

Boyce, Ronald R. The Bases of Economic Geography. 2nd ed. Holt, Rinehart and Winston, 1978.

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