APA aipamena

Emmel. (2013). Sampling and Choosing Cases in Qualitative Research. Sage.

Chicago Style aipamena

Emmel. Sampling and Choosing Cases in Qualitative Research. Sage, 2013.

MLA aipamena

Emmel. Sampling and Choosing Cases in Qualitative Research. Sage, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.