Dyfyniad APA

Cherry, N. (2009). Essential elements of sustainable urban districts grid/street/place. American Planning Association.

Dyfyniad Arddull Chicago

Cherry, Nathan. Essential Elements of Sustainable Urban Districts Grid/street/place. American Planning Association, 2009.

Dyfyniad MLA

Cherry, Nathan. Essential Elements of Sustainable Urban Districts Grid/street/place. American Planning Association, 2009.

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