The National Association for Research in science Teaching. (1974). Abstracts of presented papers, Narst. ERIC.
Chicago-čujuhus (17. p.)The National Association for Research in science Teaching. Abstracts of Presented Papers, Narst. Ohio, Estados Unidos: ERIC, 1974.
MLA-čujuhus (9. p.)The National Association for Research in science Teaching. Abstracts of Presented Papers, Narst. ERIC, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.