Cita APA (7a ed.)

Morgan, D. L. (1988). Focus groups as qualitative research. Sage.

Cita Chicago Style (17a ed.)

Morgan, David L. Focus Groups as Qualitative Research. Newbury Park [etc.]: Sage, 1988.

Cita MLA (9a ed.)

Morgan, David L. Focus Groups as Qualitative Research. Sage, 1988.