MEYER, J. R. (1971). The urban transportation problem. Haward Univ. Press.
Lua i Stíl Chicago (17ú heag.)MEYER, J. R. The Urban Transportation Problem. Massachusetts: Haward Univ. Press, 1971.
Lua MLA (8ú heag.)MEYER, J. R. The Urban Transportation Problem. Haward Univ. Press, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.