Dyfyniad APA

(2003). Time-saver standards for urban design. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Time-saver Standards for Urban Design. New York: McGraw-Hill, 2003.

Dyfyniad MLA

Time-saver Standards for Urban Design. New York: McGraw-Hill, 2003.

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