Krueger, R. A., & Casey, M. A. (2000). Focus groups: A practical guide for the applied research (3 έκδ.). Thousand Oaks, CA: Sage.
Chicago Style CitationKrueger, Richard A., and Mary Anne Casey. Focus Groups: A Practical Guide for the Applied Research. 3 έκδ. Thousand Oaks, CA: Sage, 2000.
MLA CitationKrueger, Richard A., and Mary Anne Casey. Focus Groups: A Practical Guide for the Applied Research. 3 έκδ. Thousand Oaks, CA: Sage, 2000.
Warning: These citations may not always be 100% accurate.