United States. Federal Transit Administration, Transit Cooperative Research Program, Transit Development Corporation, National Research Council (U.S.). Transportation Research Board, Multisystems, Inc, Mundle & Associates, & Parsons Transportation Group. (2002). A toolkit for self-service, barrier-free fare collection. National Academy Press.
Citação do estilo Chicago (17ª ed.)United States. Federal Transit Administration, Transit Cooperative Research Program, Transit Development Corporation, National Research Council (U.S.). Transportation Research Board, Inc Multisystems, Mundle & Associates, e Parsons Transportation Group. A Toolkit for Self-service, Barrier-free Fare Collection. Washington, D.C: National Academy Press, 2002.
Citação MLA (9ª ed.)United States. Federal Transit Administration, et al. A Toolkit for Self-service, Barrier-free Fare Collection. National Academy Press, 2002.