Muller, K. E., & Fetterman, B. A. (2002). Regression and ANOVA: An integrated approach using SAS software. SAS Pub.
Lua i Stíl Chicago (17ú heag.)Muller, Keith E., agus Bethel A. Fetterman. Regression and ANOVA: An Integrated Approach Using SAS Software. Cary, N.C: SAS Pub, 2002.
Lua MLA (9ú heag.)Muller, Keith E., agus Bethel A. Fetterman. Regression and ANOVA: An Integrated Approach Using SAS Software. SAS Pub, 2002.
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