Dyfyniad APA
Simonds, J. O. (1994). Garden Cities 21: Creating a Livable Urban Environment. McGraw-Hill.
Dyfyniad Arddull Chicago
Simonds, John Ormsbee. Garden Cities 21: Creating a Livable Urban Environment. New York: McGraw-Hill, 1994.
Dyfyniad MLA
Simonds, John Ormsbee. Garden Cities 21: Creating a Livable Urban Environment. McGraw-Hill, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.