Silverman, D. (2011). Interpreting qualitative data: A guide to the principles of qualitative research /4e (4th ed.). Sage.
Chicago-tyylinen lähdeviittausSilverman, David. Interpreting Qualitative Data: A Guide to the Principles of Qualitative Research /4e. 4th ed. Los Angeles: Sage, 2011.
MLA-viiteSilverman, David. Interpreting Qualitative Data: A Guide to the Principles of Qualitative Research /4e. 4th ed. Sage, 2011.
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