(1981). Electronic learning. Scholastic Inc..
Chicago-čujuhus (17. p.)Electronic Learning. [New York, NY]: Scholastic Inc., 1981.
MLA-čujuhus (9. p.)Electronic Learning. Scholastic Inc., 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.