Griffiths, P. E. (1997). What emotions really are: The problem of psychological categories. University of Chicago Press.
Chicago-viite (17. p.)Griffiths, Paul E. What Emotions Really Are: The Problem of Psychological Categories. Chicago, Ill.: University of Chicago Press, 1997.
MLA-viite (9. p.)Griffiths, Paul E. What Emotions Really Are: The Problem of Psychological Categories. University of Chicago Press, 1997.
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