Silverman,David. (2000). Doing qualitative research: A practical hand book. SAGE.
Chicago Style aipamenaSilverman,David. Doing Qualitative Research: A Practical Hand Book. London: SAGE, 2000.
MLA aipamenaSilverman,David. Doing Qualitative Research: A Practical Hand Book. SAGE, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.