Gratz, R. B. (1994). The Living City How America's Cities Are Being Revitalized By Thinking Small In A Big Way Roberta Brandes Gratz. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)Gratz, Roberta Brandes. The Living City How America's Cities Are Being Revitalized By Thinking Small In A Big Way Roberta Brandes Gratz. Simon and Schuster, 1994.
Lua MLA (8ú heag.)Gratz, Roberta Brandes. The Living City How America's Cities Are Being Revitalized By Thinking Small In A Big Way Roberta Brandes Gratz. Simon and Schuster, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.