Pederson, E. O. (1980). Transportation in cities. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Pederson, E. O. Transportation in Cities. New York: Pergamon Press, 1980.
Lua MLA (9ú heag.)Pederson, E. O. Transportation in Cities. Pergamon Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.