Não informado. (1980). Computers, Environment and Urban Systems. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Computers, Environment and Urban Systems. New York: Pergamon Press, 1980.
Lua MLA (8ú heag.)Não informado. Computers, Environment and Urban Systems. Pergamon Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.