Wertsch, J. V. (1985). Culture, communication, and cognition: Vygotskian perspectives. Cambridge : Cambridge University Pr.
Chicago-čujuhus (17. p.)Wertsch, James V. Culture, Communication, and Cognition: Vygotskian Perspectives. Cambridge : Cambridge University Pr, 1985.
MLA-čujuhus (9. p.)Wertsch, James V. Culture, Communication, and Cognition: Vygotskian Perspectives. Cambridge : Cambridge University Pr, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.