(2000). SPSS student version 10.0 for Windows: For WIN 95/98 and WIN NT version 4.0. Upper Saddle River, N.J.: Prentice Hall.
Παραπομπή Chicago StyleSPSS Student Version 10.0 for Windows: For WIN 95/98 and WIN NT Version 4.0. Upper Saddle River, N.J.: Prentice Hall, 2000.
Παραπομπή MLASPSS Student Version 10.0 for Windows: For WIN 95/98 and WIN NT Version 4.0. Upper Saddle River, N.J.: Prentice Hall, 2000.
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