Black, A. (1995). Urban mass transportation planning. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Black, Alan. Urban Mass Transportation Planning. New York: McGraw-Hill, 1995.
Lua MLA (8ú heag.)Black, Alan. Urban Mass Transportation Planning. McGraw-Hill, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.