Smerk, G. M. (1974). Urban mass transportation: A dozen years of Federal policy. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Smerk, George M. Urban Mass Transportation: A Dozen Years of Federal Policy. Bloomington: Indiana University Press, 1974.
Lua MLA (9ú heag.)Smerk, George M. Urban Mass Transportation: A Dozen Years of Federal Policy. Indiana University Press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.