Cita APA (7a ed.)

Barbour, R. S., & Flick, U. (2007). Doing focus groups. SAGE.

Cita Chicago Style (17a ed.)

Barbour, Rosaline S., y Uwe Flick. Doing Focus Groups. Los Angeles: SAGE, 2007.

Cita MLA (9a ed.)

Barbour, Rosaline S., y Uwe Flick. Doing Focus Groups. SAGE, 2007.