Schutt, R. K. (2006). Investigating the social world: The process and practice of research (5th ed.). SAGE Publications.
Chicago-viite (17. p.)Schutt, Russell K. Investigating the Social World: The Process and Practice of Research. 5th ed. London: SAGE Publications, 2006.
MLA-viite (9. p.)Schutt, Russell K. Investigating the Social World: The Process and Practice of Research. 5th ed. SAGE Publications, 2006.
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