(1990). Interactive learning environments. Ablex Pub. Corp..
Chicago-čujuhus (17. p.)Interactive Learning Environments. Norwood, N.J.: Ablex Pub. Corp., 1990.
MLA-čujuhus (9. p.)Interactive Learning Environments. Ablex Pub. Corp., 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.