Paterson, J. H. (1970). North America: A geography of Canada and the United States (4th ed.). Oxford University Press.
Citace podle Chicago (17th ed.)Paterson, John Harris. North America: A Geography of Canada and the United States. 4th ed. [London]: Oxford University Press, 1970.
Citace podle MLA (9th ed.)Paterson, John Harris. North America: A Geography of Canada and the United States. 4th ed. Oxford University Press, 1970.
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