Putman, S. H. (1983). Integrated urban models. Pion.
Lua i Stíl Chicago (17ú heag.)Putman, Stephen H. Integrated Urban Models. London: Pion, 1983.
Lua MLA (9ú heag.)Putman, Stephen H. Integrated Urban Models. Pion, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.