Campbell, R. D., & LeBlanc, H. L. (1967). An information system for urban planning. Urban Planning Data Systems Project, Goerge Washington University.
Citace podle Chicago (17th ed.)Campbell, Robert Dale, a Hugh L. LeBlanc. An Information System for Urban Planning. Washington: Urban Planning Data Systems Project, Goerge Washington University, 1967.
Citace podle MLA (9th ed.)Campbell, Robert Dale, a Hugh L. LeBlanc. An Information System for Urban Planning. Urban Planning Data Systems Project, Goerge Washington University, 1967.
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