APA (7e ed.) Bronvermelding

Jackson, R. H. (1986). World regional geography: Issues for today (2ª ed.). John Wiley and Sons.

Chicago (17e ed.) Bronvermelding

Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.

MLA (9e ed.) Bronvermelding

Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.

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