NUNNALLY, J. C. (1981). Psychometric theory.-- ed.2. Tata McGraw hill.
Chicago-čujuhus (17. p.)NUNNALLY, Jum C. Psychometric Theory.-- Ed.2. New Delhi: Tata McGraw hill, 1981.
MLA-čujuhus (9. p.)NUNNALLY, Jum C. Psychometric Theory.-- Ed.2. Tata McGraw hill, 1981.
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