Silverman, D. (2010). Doing qualitative research: A practical handbook (3rd ed.). SAGE.
Chicago-viite (17. p.)Silverman, David. Doing Qualitative Research: A Practical Handbook. 3rd ed. London ; Thousand Oaks, Calif.: SAGE, 2010.
MLA-viite (8. p.)Silverman, David. Doing Qualitative Research: A Practical Handbook. 3rd ed. SAGE, 2010.
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