APA aipamena

Bernard, R. H. a. R. Analyzing qualitative data: :systamatic approaches.

Chicago Style aipamena

Bernard, Russell H and Ryan. Analyzing Qualitative Data: :systamatic Approaches.

MLA aipamena

Bernard, Russell H and Ryan. Analyzing Qualitative Data: :systamatic Approaches.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.