APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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