Gronmo, S. (2020). Social research methods: Qualitative, quantitative and mixed methods approaches ([Third edition].). Sage Publications Ltd.
Cita Chicago (17th ed.)Gronmo, Sigmund. Social Research Methods: Qualitative, Quantitative and Mixed Methods Approaches. [Third edition]. Thousand Oaks, CA: Sage Publications Ltd, 2020.
Cita MLA (9th ed.)Gronmo, Sigmund. Social Research Methods: Qualitative, Quantitative and Mixed Methods Approaches. [Third edition]. Sage Publications Ltd, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.