stern, l. D. (2014). A visual approach to spss for windows: A guide to spss 17.0 (ed. 2.). pearson education limited.
Čikaški stil citiranja (17. izdanje)stern, leonard D. A Visual Approach to Spss for Windows: A Guide to Spss 17.0. ed. 2. harlow: pearson education limited, 2014.
MLA način citiranja (9. izdanje)stern, leonard D. A Visual Approach to Spss for Windows: A Guide to Spss 17.0. ed. 2. pearson education limited, 2014.
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