Lua APA (7ú heag.)

Berg, B. L. (2001). Qualitative research methods for the social sciences (4th ed.). Allyn and Bacon.

Lua i Stíl Chicago (17ú heag.)

Berg, Bruce L. Qualitative Research Methods for the Social Sciences. 4th ed. Boston: Allyn and Bacon, 2001.

Lua MLA (9ú heag.)

Berg, Bruce L. Qualitative Research Methods for the Social Sciences. 4th ed. Allyn and Bacon, 2001.

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