APA (7e ed.) Bronvermelding
Wardle, J. (2002). Developing advertising with qualitative market research. Sage.
Chicago (17e ed.) Bronvermelding
Wardle, Judith. Developing Advertising with Qualitative Market Research. London ; Thousand Oaks, CA: Sage, 2002.
MLA (9e ed.) Bronvermelding
Wardle, Judith. Developing Advertising with Qualitative Market Research. Sage, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.