Cratty, B. J. (1968). Psychology and physical activity. Prentice-Hall.
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Chicago-čujuhus (17. p.)
Cratty, Bryant J. Psychology and Physical Activity. New Jersey: Prentice-Hall, 1968.
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MLA-čujuhus (9. p.)
Cratty, Bryant J. Psychology and Physical Activity. Prentice-Hall, 1968.
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