Barrows, H. H., & Edited by Koelsch, W. A. (1962). Lectures on the historical geography of the: United states as given in 1933. The department of geography, The University of Chicago.
Citace podle Chicago (17th ed.)Barrows, Harlan H., a William A. Edited by Koelsch. Lectures on the Historical Geography of the: United States as Given in 1933. Chicago Ill: The department of geography, The University of Chicago, 1962.
Citace podle MLA (9th ed.)Barrows, Harlan H., a William A. Edited by Koelsch. Lectures on the Historical Geography of the: United States as Given in 1933. The department of geography, The University of Chicago, 1962.
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