Neuman, W. L. (2011). Social research methods: Qualitative and quantitative approaches (7th ed., international ed.). Pearson.
Chicago-referens (17:e uppl.)Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. 7th ed., international ed. Boston, Mass: Pearson, 2011.
MLA-referens (9:e uppl.)Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. 7th ed., international ed. Pearson, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.