Anfra, V. A. &. M. (2015). Theoretical frameworks in qualitative research (2nd.). Sage Publication.
Chicago-viite (17. p.)Anfra, Vincent A. & Mertz. Theoretical Frameworks in Qualitative Research. 2nd. London: Sage Publication, 2015.
MLA-viite (9. p.)Anfra, Vincent A. & Mertz. Theoretical Frameworks in Qualitative Research. 2nd. Sage Publication, 2015.
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