APA-čujuhus (7. p.)
Wardle, J. (2002). Developing advertising with qualitative market research. Sage.
Chicago-čujuhus (17. p.)
Wardle, Judith. Developing Advertising with Qualitative Market Research. London ; Thousand Oaks, CA: Sage, 2002.
MLA-čujuhus (9. p.)
Wardle, Judith. Developing Advertising with Qualitative Market Research. Sage, 2002.
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