Mayer, R. E. (1991). Thinking, problem solving, cognition (2nd. ed.). W. H. Freeman and company.
Chicago Style (17th ed.) CitationMayer, Richard E. Thinking, Problem Solving, Cognition. 2nd. ed. New York: W. H. Freeman and company, 1991.
ציטוט MLAMayer, Richard E. Thinking, Problem Solving, Cognition. 2nd. ed. W. H. Freeman and company, 1991.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.