APA način citiranja (7. izdanje)

Krueger, R. A. (1988). Focus groups: A practical guide for applied research. Sage Publications.

Čikaški stil citiranja (17. izdanje)

Krueger, Richard A. Focus Groups: A Practical Guide for Applied Research. Newbury Park, Calif.: Sage Publications, 1988.

MLA način citiranja (8. izdanje)

Krueger, Richard A. Focus Groups: A Practical Guide for Applied Research. Sage Publications, 1988.