Bernard, H. R. (2013). Social research method: Qualitative and quantitative approaches (2nd ed.). SAGE Publications.
Chicago-referens (17:e uppl.)Bernard, H. Russell. Social Research Method: Qualitative and Quantitative Approaches. 2nd ed. Los Angeles: SAGE Publications, 2013.
MLA-referens (8:e uppl.)Bernard, H. Russell. Social Research Method: Qualitative and Quantitative Approaches. 2nd ed. SAGE Publications, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.