Cita APA (7th ed.)

Morgan, D. L. (1997). Focus groups as qualitative research (2nd ed.). Sage Publications.

Cita Chicago (17th ed.)

Morgan, David L. Focus Groups as Qualitative Research. 2nd ed. Thousand Oaks, Calif: Sage Publications, 1997.

Cita MLA (9th ed.)

Morgan, David L. Focus Groups as Qualitative Research. 2nd ed. Sage Publications, 1997.