Guilford, J. P. (1971). Psychometric methods (2nd ed.). Mcgraw Hill Book Co.
Chicago Style aipamenaGuilford, J P. Psychometric Methods. 2nd ed. New Delhi: Mcgraw Hill Book Co, 1971.
MLA aipamenaGuilford, J P. Psychometric Methods. 2nd ed. Mcgraw Hill Book Co, 1971.
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