Cita APA (7th ed.)

Silverman, D. (2004). Qualitative research: Theory, method and practice (2nd ed.). Sage Publications.

Cita Chicago (17th ed.)

Silverman, David. Qualitative Research: Theory, Method and Practice. 2nd ed. London ; Thousand Oaks, Calif.: Sage Publications, 2004.

Cita MLA (9th ed.)

Silverman, David. Qualitative Research: Theory, Method and Practice. 2nd ed. Sage Publications, 2004.