Lillis, G. (2002). Delivering results in qualitative market research. Sage Publications.
Παραπομπή Chicago StyleLillis, Geraldine. Delivering Results in Qualitative Market Research. London: Sage Publications, 2002.
Παραπομπή MLALillis, Geraldine. Delivering Results in Qualitative Market Research. Sage Publications, 2002.
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