Rugg, D. S. (1979). Spatial Foundations of Urbanism (2nd ed.). Wm. C. Brown Company Publishers.
Chicago-čujuhus (17. p.)Rugg, Dean S. Spatial Foundations of Urbanism. 2nd ed. Dubuque, Iowa: Wm. C. Brown Company Publishers, 1979.
MLA-čujuhus (9. p.)Rugg, Dean S. Spatial Foundations of Urbanism. 2nd ed. Wm. C. Brown Company Publishers, 1979.
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