Krueckebery, D. A. (1983). Introduction to planning history in the United States. New Brunswick, N J : Center for Urban Policy Research.
Lua i Stíl Chicago (17ú heag.)Krueckebery, Donald A. Introduction to Planning History in the United States. New Brunswick, N J : Center for Urban Policy Research, 1983.
Lua MLA (9ú heag.)Krueckebery, Donald A. Introduction to Planning History in the United States. New Brunswick, N J : Center for Urban Policy Research, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.