APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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