Churchill, C. W., & Ratoosh, P. (1962). Measurement: Definitions and theories. New York: John Wiley & Sons.
Παραπομπή Chicago StyleChurchill, C. West, and Philburn Ratoosh. Measurement: Definitions and Theories. New York: John Wiley & Sons, 1962.
Παραπομπή MLAChurchill, C. West, and Philburn Ratoosh. Measurement: Definitions and Theories. New York: John Wiley & Sons, 1962.
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