United States. Federal Transit Administration, Transit Cooperative Research Program, National Research Council (U.S.). Transportation Research Board, & Messina, P. (2006). Train door systems analysis. Transportation Research Board.
Chicago-Zitierstil (17. Ausg.)United States. Federal Transit Administration, Transit Cooperative Research Program, National Research Council (U.S.). Transportation Research Board, und Paul Messina. Train Door Systems Analysis. [Washington, D.C.]: Transportation Research Board, 2006.
MLA-Zitierstil (9. Ausg.)United States. Federal Transit Administration, et al. Train Door Systems Analysis. Transportation Research Board, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.