Workshop Center for Open Education (New York, N.Y.), Dropkin, R., & Tobier, A. (1973). Science in the open classroom. Workshop Center for Open Education.
芝加哥风格引文Workshop Center for Open Education (New York, N.Y.), Ruth Dropkin, 与 Arthur Tobier. Science in the Open Classroom. New York: Workshop Center for Open Education, 1973.
MLA引文Workshop Center for Open Education (New York, N.Y.), et al. Science in the Open Classroom. Workshop Center for Open Education, 1973.
警告：这些引文格式不一定是100％准确.