Turner, Johanna
Cognitive development
Methuen, 1975
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Howard, Darlene V.
Cognitive psychology : memory, language, and thought
Macmillan, 1983
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Thomson, Robert
The Psychology of thinking
Penguin Books, 1974
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Advances in the psychology of thinking. Vol. 1
edited by M.T. Keane and K.J. Gilhooly
Harvester Wheatsheaf, 1992
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Mayer, Richard E.
Thinking, problem solving, cognition
W.H. Freeman, 1983
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