Ryan, R. H. (1964). Georgetown; urban nucleation on the Texas Blacklands. Bureau of Business Research, University of Texas.
Citace podle Chicago (17th ed.)Ryan, Robert H. Georgetown; Urban Nucleation on the Texas Blacklands. Austin: Bureau of Business Research, University of Texas, 1964.
Citace podle MLA (8th ed.)Ryan, Robert H. Georgetown; Urban Nucleation on the Texas Blacklands. Bureau of Business Research, University of Texas, 1964.
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