Beuving, J., & Vries, G. C. d. (2015). Doing qualitative research: The craft of naturalistic inquiry. Amsterdam University Press.
Lua i Stíl Chicago (17ú heag.)Beuving, Joost, agus G. C. de Vries. Doing Qualitative Research: The Craft of Naturalistic Inquiry. Amsterdam, Netherlands: Amsterdam University Press, 2015.
Lua MLA (9ú heag.)Beuving, Joost, agus G. C. de Vries. Doing Qualitative Research: The Craft of Naturalistic Inquiry. Amsterdam University Press, 2015.
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