Dyfyniad APA

Roy, C. (1979). Quality in urban planning and design(conference). Newnes-Butterworths.

Dyfyniad Arddull Chicago

Roy, Cresswell. Quality in Urban Planning and Design(conference). London: Newnes-Butterworths, 1979.

Dyfyniad MLA

Roy, Cresswell. Quality in Urban Planning and Design(conference). Newnes-Butterworths, 1979.

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