Silverman, D. (1998). Qualitative research theory, method and practice. SAGE.
Citazione stile Chigago Style (17a edizione)Silverman, David. Qualitative Research Theory, Method and Practice. London: SAGE, 1998.
Citatione MLA (8a ed.)Silverman, David. Qualitative Research Theory, Method and Practice. SAGE, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.