Newell, A., & Simon, H. A. (1972). Human problem solving. Prentice Hall.
Chicago Edition CitationNewell, Allen, i Herbert A. Simon. Human Problem Solving. New Jersey: Prentice Hall, 1972.
Cita MLANewell, Allen, i Herbert A. Simon. Human Problem Solving. Prentice Hall, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.