Cita APA

Stewart, D. W., Shamdasani, P. N., & Rook, D. W. (2007). Focus groups: Theory and practice (2. edition.). Thousand Oaks: SAGE.

Citación estilo Chicago

Stewart, David W., Prem N. Shamdasani, y Dennis W. Rook. Focus Groups: Theory and Practice. 2. edition. Thousand Oaks: SAGE, 2007.

Cita MLA

Stewart, David W., Prem N. Shamdasani, y Dennis W. Rook. Focus Groups: Theory and Practice. 2. edition. Thousand Oaks: SAGE, 2007.