Cita APA (7th ed.)

Silverman, D. (2016). Qualitative research (4E.). Sage.

Cita Chicago (17th ed.)

Silverman, David. Qualitative Research. 4E. London: Sage, 2016.

Cita MLA (9th ed.)

Silverman, David. Qualitative Research. 4E. Sage, 2016.