Rugg, D. S. (1979). Spatial Foundations of Urbanism (2nd ed.). Wm. C. Brown Company Publishers.
Chicago Style (17th ed.) ZitazioaRugg, Dean S. Spatial Foundations of Urbanism. 2nd ed. Dubuque, Iowa: Wm. C. Brown Company Publishers, 1979.
MLA (9th ed.) ZitazioaRugg, Dean S. Spatial Foundations of Urbanism. 2nd ed. Wm. C. Brown Company Publishers, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.