(1991). Language and thought in normal and handicapped children / Richard F. Cromer.
Chicago-čujuhus (17. p.)Language and Thought in Normal and Handicapped Children / Richard F. Cromer. 1991.
MLA-čujuhus (9. p.)Language and Thought in Normal and Handicapped Children / Richard F. Cromer. 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.