Workshop Center for Open Education (New York, N.Y.), Dropkin, R., & Tobier, A. (1973). Science in the open classroom. Workshop Center for Open Education.
Citace podle Chicago (17th ed.)Workshop Center for Open Education (New York, N.Y.), Ruth Dropkin, a Arthur Tobier. Science in the Open Classroom. New York: Workshop Center for Open Education, 1973.
Citace podle MLA (8th ed.)Workshop Center for Open Education (New York, N.Y.), et al. Science in the Open Classroom. Workshop Center for Open Education, 1973.
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