APA (7th ed.) Zitazioa

ebrary, Inc. (2001). Contracting for bus and demand-responsive transit services: A survey of U.S. practice and experience. Transportation Research Board.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. Contracting for Bus and Demand-responsive Transit Services: A Survey of U.S. Practice and Experience. Washington, DC: Transportation Research Board, 2001.

MLA (9th ed.) Zitazioa

ebrary, Inc. Contracting for Bus and Demand-responsive Transit Services: A Survey of U.S. Practice and Experience. Transportation Research Board, 2001.