APA (7th ed.) Zitazioa
Marshall, C., & Rossman, G. (2011). Designing qualitative research (5th ed.). SAGE.
Chicago Style (17th ed.) Zitazioa
Marshall, Catherine, eta Gretchen Rossman. Designing Qualitative Research. 5th ed. Los Angeles: SAGE, 2011.
MLA (9th ed.) Zitazioa
Marshall, Catherine, eta Gretchen Rossman. Designing Qualitative Research. 5th ed. SAGE, 2011.
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