ebrary, Inc. (2001). Contracting for bus and demand-responsive transit services: A survey of U.S. practice and experience. Transportation Research Board.
芝加哥风格引文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引文ebrary, Inc. Contracting for Bus and Demand-responsive Transit Services: A Survey of U.S. Practice and Experience. Transportation Research Board, 2001.
警告：这些引文格式不一定是100％准确.