Davidson, J. E., & Sternberg, R. J. (2003). The psychology of problem solving. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Davidson, Janet E., agus Robert J. Sternberg. The Psychology of Problem Solving. Cambridge, UK ; New York: Cambridge University Press, 2003.
Lua MLA (9ú heag.)Davidson, Janet E., agus Robert J. Sternberg. The Psychology of Problem Solving. Cambridge University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.