Dyfyniad APA

Rugg, D. S. (1979). Spatial Foundations of Urbanism (2nd ed.). Wm. C. Brown Company Publishers.

Dyfyniad Arddull Chicago

Rugg, Dean S. Spatial Foundations of Urbanism. 2nd ed. Dubuque, Iowa: Wm. C. Brown Company Publishers, 1979.

Dyfyniad MLA

Rugg, Dean S. Spatial Foundations of Urbanism. 2nd ed. Wm. C. Brown Company Publishers, 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.