Silverman, D. (2010). Doing qualitative research (3rd ed.). Sage.
Chicago Style aipamenaSilverman, David. Doing Qualitative Research. 3rd ed. New Delhi: Sage, 2010.
MLA aipamenaSilverman, David. Doing Qualitative Research. 3rd ed. Sage, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.