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Ernest Dichter - Doyen der Verführer : [zum 100. Geburtstag des Vaters der Motivforschung]
Gries, Rainer, (2007)
Qualität statt Quantität : Motivforschung im 21. Jahrhundert
Schwarz, Guido, (2000)
The laws of choice : predicting customer behavior
Marder, Eric, (1997)
Intrafamily decision making in family planning
Downs, Phillip E., (1977)
Comparing two diverse methods for generating perceptual maps: Multidimensional scaling versus the hand-drawn technique
Downs, Phillip E., (1979)