Brown, D. M. (1974). Introduction to urban economics. Academic.
Lua i Stíl Chicago (17ú heag.)Brown, Douglas M. Introduction to Urban Economics. New York: Academic, 1974.
Lua MLA (9ú heag.)Brown, Douglas M. Introduction to Urban Economics. Academic, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.