Fonts d'informació

Krueger, R. A. & Casey, M. A. (2000) Focus Group:A Practical Guide for Applied Research. Thousand
Oaks, California: Sage Publications.
Morgan, D. L. (1998) The Focus Group Guidebook, London: Sage Publications.
Morgan, D. L. (1998) Planning Focus Groups, London: Sage Publications.
Stewart D. W. & Shamdasani, P. N. (1992) FocusGroups: Theory and Practice. London: Sage
Tous, J. M. (1993) Comportamiento Social y Dinámica de Grupos, Barcelona: ESRP-PPU.