Mayer, R. E. (1991). Thinking, problem solving, cognition (2nd. ed.). W. H. Freeman and company.
Čikaški stil citiranja (17. izdanje)Mayer, Richard E. Thinking, Problem Solving, Cognition. 2nd. ed. New York: W. H. Freeman and company, 1991.
MLA način citiranja (9. izdanje)Mayer, Richard E. Thinking, Problem Solving, Cognition. 2nd. ed. W. H. Freeman and company, 1991.
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