National Research Council (U.S.). Transportation Research Board. Committee on Public Transportation Planning and Development. Subcommittee on Definitions. (1978). Glossary of urban public transportation terms. National Academy of Sciences.
Citação do estilo Chicago (17ª ed.)National Research Council (U.S.). Transportation Research Board. Committee on Public Transportation Planning and Development. Subcommittee on Definitions. Glossary of Urban Public Transportation Terms. Washington: National Academy of Sciences, 1978.
Citação MLA (9ª ed.)National Research Council (U.S.). Transportation Research Board. Committee on Public Transportation Planning and Development. Subcommittee on Definitions. Glossary of Urban Public Transportation Terms. National Academy of Sciences, 1978.