Jackson, R. H. (1986). World regional geography: Issues for today (2ª ed.). John Wiley and Sons.
Chicagoスタイル(17版)引用形式Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.
MLA(9版)引用形式Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.
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