Welch, W. W. (1971). A summary of research in science education for the years of 1968-69 secondary school level. ERIC.
Chicagoスタイル(17版)引用形式Welch, Wayne W. A Summary of Research in Science Education for the Years of 1968-69 Secondary School Level. Ohio, Estados Unidos: ERIC, 1971.
MLA(9版)引用形式Welch, Wayne W. A Summary of Research in Science Education for the Years of 1968-69 Secondary School Level. ERIC, 1971.
警告: この引用は必ずしも正確ではありません.