National Research Council (U.S.). Committee on the Use of Volunteers in Schools & Michael, B. (1990). Volunteers in public schools. National Academy Press.
Citace podle Chicago (17th ed.)National Research Council (U.S.). Committee on the Use of Volunteers in Schools a Bernard Michael. Volunteers in Public Schools. Washington, D.C.: National Academy Press, 1990.
Citace podle MLA (9th ed.)National Research Council (U.S.). Committee on the Use of Volunteers in Schools a Bernard Michael. Volunteers in Public Schools. National Academy Press, 1990.
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