Wildt,Albert R, & Ahtola,Olli. (1978). Analysis of covariance. Sage.
Chicago Style aipamenaWildt,Albert R, and Ahtola,Olli. Analysis of Covariance. London: Sage, 1978.
MLA aipamenaWildt,Albert R, and Ahtola,Olli. Analysis of Covariance. Sage, 1978.
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