Green, S. B., Salkind, N. J., & Akey, T. M. (1997). Using SPSS for Windows: Analyzing and understanding data. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Green, Samuel B., Neil J. Salkind, agus Theresa M. Akey. Using SPSS for Windows: Analyzing and Understanding Data. Upper Saddle River, N.J.: Prentice Hall, 1997.
Lua MLA (8ú heag.)Green, Samuel B., et al. Using SPSS for Windows: Analyzing and Understanding Data. Prentice Hall, 1997.
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