(2013). Social Research Methods; Qualitative and Quantitative Approaches. Allyn & Bacon.
Čikaški stil citiranja (17. izdanje)Social Research Methods; Qualitative and Quantitative Approaches. Allyn & Bacon, 2013.
MLA način citiranja (8. izdanje)Social Research Methods; Qualitative and Quantitative Approaches. Allyn & Bacon, 2013.
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