APA aipamena

Bernard, H. R., & Ryan, G. W. (2010). Analyzing qualitative data: Systematic approaches. Sage.

Chicago Style aipamena

Bernard, H. Russell, and Gery Wayne Ryan. Analyzing Qualitative Data: Systematic Approaches. Los Angeles: Sage, 2010.

MLA aipamena

Bernard, H. Russell, and Gery Wayne Ryan. Analyzing Qualitative Data: Systematic Approaches. Sage, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.