Cherry, N. (2009). Essential elements of sustainable urban districts grid/street/place. American Planning Association.
Chicago-referens (17:e uppl.)Cherry, Nathan. Essential Elements of Sustainable Urban Districts Grid/street/place. American Planning Association, 2009.
MLA-referens (8:e uppl.)Cherry, Nathan. Essential Elements of Sustainable Urban Districts Grid/street/place. American Planning Association, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.