Leech, N. L., Barrett, K. C., & Morgan, G. A. (2005). SPSS for intermediate statistics: Use and interpretation (2nd ed.). L. Erlbaum Associates.
Chicago Style (17th ed.) CitationLeech, Nancy L., Karen Caplovitz Barrett, and George A. Morgan. SPSS for Intermediate Statistics: Use and Interpretation. 2nd ed. Mahwah, N.J: L. Erlbaum Associates, 2005.
MLA (9th ed.) CitationLeech, Nancy L., et al. SPSS for Intermediate Statistics: Use and Interpretation. 2nd ed. L. Erlbaum Associates, 2005.
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