Lillis, G. (2002). Delivering results in qualitative market research. Sage Publications.
Chicago Style aipamenaLillis, Geraldine. Delivering Results in Qualitative Market Research. London: Sage Publications, 2002.
MLA aipamenaLillis, Geraldine. Delivering Results in Qualitative Market Research. Sage Publications, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.