Dyfyniad APA

Hurd, A., & Hurd, A. (2012). The carbon efficient city. University of Washington Press.

Dyfyniad Arddull Chicago

Hurd, A-P, and Al Hurd. The Carbon Efficient City. Seattle: University of Washington Press, 2012.

Dyfyniad MLA

Hurd, A-P, and Al Hurd. The Carbon Efficient City. University of Washington Press, 2012.

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