Schlessinger, F. R. (1973). A survey of science teaching in public schools of the United States. ERIC Information Analysis Center for Science.
芝加哥风格引文Schlessinger, Fred R. A Survey of Science Teaching in Public Schools of the United States. Columbus: ERIC Information Analysis Center for Science, 1973.
MLA引文Schlessinger, Fred R. A Survey of Science Teaching in Public Schools of the United States. ERIC Information Analysis Center for Science, 1973.
警告:这些引文格式不一定是100%准确.