Cronbach, L. J. (1990). Essentials of psychological testing (5th.ed.). Harper Collins.
Chicago-čujuhus (17. p.)Cronbach, Lee J. Essentials of Psychological Testing. 5th.ed. New York: Harper Collins, 1990.
MLA-čujuhus (9. p.)Cronbach, Lee J. Essentials of Psychological Testing. 5th.ed. Harper Collins, 1990.
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