National Research Council (U.S.). Committee on the Use of Volunteers in Schools & Michael, B. (1990). Volunteers in public schools. National Academy Press.
芝加哥风格引文National Research Council (U.S.). Committee on the Use of Volunteers in Schools 与 Bernard Michael. Volunteers in Public Schools. Washington, D.C.: National Academy Press, 1990.
MLA引文National Research Council (U.S.). Committee on the Use of Volunteers in Schools 与 Bernard Michael. Volunteers in Public Schools. National Academy Press, 1990.
警告：这些引文格式不一定是100％准确.