Dyfyniad APA

Silverman, D. (2013). Doing qualitative research (4th ed.). Sage.

Dyfyniad Arddull Chicago

Silverman, David. Doing Qualitative Research. 4th ed. Los Angelws: Sage, 2013.

Dyfyniad MLA

Silverman, David. Doing Qualitative Research. 4th ed. Sage, 2013.

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