APA-viite (7. p.)
Wardle, J. (2002). Developing advertising with qualitative market research. Sage.
Chicago-viite (17. p.)
Wardle, Judith. Developing Advertising with Qualitative Market Research. London ; Thousand Oaks, CA: Sage, 2002.
MLA-viite (9. p.)
Wardle, Judith. Developing Advertising with Qualitative Market Research. Sage, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.