Davidson, J. E., & Sternberg, R. J. (2003). The psychology of problem solving. Cambridge University Press.
Chicago-čujuhus (17. p.)Davidson, Janet E., juo Robert J. Sternberg. The Psychology of Problem Solving. Cambridge, UK ; New York: Cambridge University Press, 2003.
MLA-čujuhus (9. p.)Davidson, Janet E., juo Robert J. Sternberg. The Psychology of Problem Solving. Cambridge University Press, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.