Barbour, R. S., & Flick, U. (2007). Doing focus groups. SAGE.
Citación estilo ChicagoBarbour, Rosaline S., and Uwe Flick. Doing Focus Groups. Los Angeles: SAGE, 2007.
Cita MLABarbour, Rosaline S., and Uwe Flick. Doing Focus Groups. SAGE, 2007.
Warning: These citations may not always be 100% accurate.