Cita APA

Welch, W. W., & Welch, W. W. (1971). A Summary of research in science education for the years 1968-69 secondary school level. Columbus: Ohio State University ERIC Information Analysis Center for Science Education.

Citación estilo Chicago

Welch, Wayne W., y Wayne W. Welch. A Summary of Research in Science Education for the Years 1968-69 Secondary School Level. Columbus: Ohio State University ERIC Information Analysis Center for Science Education, 1971.

Cita MLA

Welch, Wayne W., y Wayne W. Welch. A Summary of Research in Science Education for the Years 1968-69 Secondary School Level. Columbus: Ohio State University ERIC Information Analysis Center for Science Education, 1971.