McKenzie, G. W., Powell, J., & Usher, R. (1997). Understanding social research: Perspectives on methodology and practice. Falmer Press.
Chicago-viite (17. p.)McKenzie, George W., Jackie Powell, ja Robin Usher. Understanding Social Research: Perspectives on Methodology and Practice. London: Falmer Press, 1997.
MLA-viite (9. p.)McKenzie, George W., et al. Understanding Social Research: Perspectives on Methodology and Practice. Falmer Press, 1997.
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