Silverman, D. (1997). Qualitative research: Theory, method, and practice. Sage Publications.
Citazione stile Chigago Style (17a edizione)Silverman, David. Qualitative Research: Theory, Method, and Practice. London ; Thousand Oaks, Calif. ; New Delhi: Sage Publications, 1997.
Citatione MLA (8a ed.)Silverman, David. Qualitative Research: Theory, Method, and Practice. Sage Publications, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.