Boyce, R. R. (1978). The bases of economic geography (2nd ed.). Holt, Rinehart and Winston.
Chicago (17e ed.) BronvermeldingBoyce, Ronald R. The Bases of Economic Geography. 2nd ed. New York: Holt, Rinehart and Winston, 1978.
MLA (9e ed.) BronvermeldingBoyce, Ronald R. The Bases of Economic Geography. 2nd ed. Holt, Rinehart and Winston, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.