Blaxter, L., Hughes, C., & Tight, M. (2010). How to research (3rd ed.). Open University Press.
Chicago-viite (17. p.)Blaxter, Loraine, Christina Hughes, ja Malcolm Tight. How to Research. 3rd ed. Berkshire, England ; New York: Open University Press, 2010.
MLA-viite (8. p.)Blaxter, Loraine, et al. How to Research. 3rd ed. Open University Press, 2010.
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