Jackson, R. H. (1986). World regional geography: Issues for today (2ª ed.). John Wiley and Sons.
Style de citation Chicago (17e éd.)Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.
Style de citation MLA (9e éd.)Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.