APA (7th ed.) Zitazioa
Williams, M., & May, T. (1996). Introduction to the philosophy of social research. UCL Press.
Chicago Style (17th ed.) Zitazioa
Williams, Malcolm, eta Tim May. Introduction to the Philosophy of Social Research. London: UCL Press, 1996.
MLA (9th ed.) Zitazioa
Williams, Malcolm, eta Tim May. Introduction to the Philosophy of Social Research. UCL Press, 1996.
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