Lua APA (7ú heag.)

Marshall, C. R. (1995). Designing qualitative research (2nd.). SAGE Publication, Inc.

Lua i Stíl Chicago (17ú heag.)

Marshall, Catherine Rossman. Designing Qualitative Research. 2nd. California: SAGE Publication, Inc, 1995.

Lua MLA (8ú heag.)

Marshall, Catherine Rossman. Designing Qualitative Research. 2nd. SAGE Publication, Inc, 1995.

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