Haney, R. (1970). A summary of research in science education for the years of 1965-67, elementary school level. ERIC.
Chicago-referens (17:e uppl.)Haney, Richard. A Summary of Research in Science Education for the Years of 1965-67, Elementary School Level. Ohio, Estados Unido: ERIC, 1970.
MLA-referens (9:e uppl.)Haney, Richard. A Summary of Research in Science Education for the Years of 1965-67, Elementary School Level. ERIC, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.