APA (7th ed.) Citation

Krueger, R. A., & Casey, M. A. (2000). Focus groups: A practical guide for applied research (3η εκδ.). Sage Publications.

Chicago Style (17th ed.) Citation

Krueger, Richard A., and Mary Anne Casey. Focus Groups: A Practical Guide for Applied Research. 3η εκδ. Thousand Oaks, Calif.: Sage Publications, 2000.

MLA (8th ed.) Citation

Krueger, Richard A., and Mary Anne Casey. Focus Groups: A Practical Guide for Applied Research. 3η εκδ. Sage Publications, 2000.