Workshop Center for Open Education (New York, N.Y.), Dropkin, R., & Tobier, A. (1973). Science in the open classroom. Workshop Center for Open Education.
Chicago-viite (17. p.)Workshop Center for Open Education (New York, N.Y.), Ruth Dropkin, ja Arthur Tobier. Science in the Open Classroom. New York: Workshop Center for Open Education, 1973.
MLA-viite (8. p.)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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