APA aipamena

Russell Bernard H. (2000). Social research methods: Qualitative and quantitative approaches. Sage.

Chicago Style aipamena

Russell Bernard H. Social Research Methods: Qualitative and Quantitative Approaches. Thousand Oaks: Sage, 2000.

MLA aipamena

Russell Bernard H. Social Research Methods: Qualitative and Quantitative Approaches. Sage, 2000.

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