APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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