Haney, R. (1970). A summary of research in science education for the years of 1965-67, elementary school level. ERIC.
Chicago-čujuhus (17. p.)Haney, Richard. A Summary of Research in Science Education for the Years of 1965-67, Elementary School Level. Ohio, Estados Unido: ERIC, 1970.
MLA-čujuhus (9. p.)Haney, Richard. A Summary of Research in Science Education for the Years of 1965-67, Elementary School Level. ERIC, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.