Dyfyniad APA

(1999). Sustaining cities environmental planning and management in urban design. McGraw-Hill.

Dyfyniad Arddull Chicago

Sustaining Cities Environmental Planning and Management in Urban Design. McGraw-Hill, 1999.

Dyfyniad MLA

Sustaining Cities Environmental Planning and Management in Urban Design. McGraw-Hill, 1999.

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