Visocky O'Grady, J., & Visocky O'Grady, K. (2006). A designer's research manual: Succeed in design by knowing your clients and what they really need. Rockport.
Παραπομπή σε μορφή Chicago (17η εκδ.)Visocky O'Grady, Jennifer, και Kenneth Visocky O'Grady. A Designer's Research Manual: Succeed in Design by Knowing Your Clients and What They Really Need. Gloucester, Mass.: Rockport, 2006.
Παραπομπή σε μορφή MLA (9th εκδ.)Visocky O'Grady, Jennifer, και Kenneth Visocky O'Grady. A Designer's Research Manual: Succeed in Design by Knowing Your Clients and What They Really Need. Rockport, 2006.
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