Lua APA (7ú heag.)

Berg, B. L. (2007). Qualitative research methods for the social sciencesBruce L. Berg. Pearson Education.

Lua i Stíl Chicago (17ú heag.)

Berg, Bruce L. Qualitative Research Methods for the Social SciencesBruce L. Berg. Pearson Education, 2007.

Lua MLA (8ú heag.)

Berg, Bruce L. Qualitative Research Methods for the Social SciencesBruce L. Berg. Pearson Education, 2007.

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