CHADWICK, G. (1978). A Systems View Of Planning. Pargamon Press.
Lua i Stíl Chicago (17ú heag.)CHADWICK, George. A Systems View Of Planning. Pargamon Press, 1978.
Lua MLA (8ú heag.)CHADWICK, George. A Systems View Of Planning. Pargamon Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.