Stewart, David W. Focus Groups: Theory and Practice [online]. Third edition. Thousand Oaks: SAGE Publications, Inc. (US), 2014
Stewart, D. W. (2014). Focus Groups: Theory and Practice (Third edition.). Thousand Oaks: SAGE Publications, Inc. (US).
Styl ChicagoStewart, David W. Focus Groups: Theory and Practice. Third edition. Thousand Oaks: SAGE Publications, Inc. (US), 2014.
Citace podle MLAStewart, David W. Focus Groups: Theory and Practice. Third edition. Thousand Oaks: SAGE Publications, Inc. (US), 2014.
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