Lua APA (7ú heag.)

(1988). Two centuries of American planning. Mansell.

Lua i Stíl Chicago (17ú heag.)

Two Centuries of American Planning. London: Mansell, 1988.

Lua MLA (9ú heag.)

Two Centuries of American Planning. Mansell, 1988.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.