Não informado. (2003). Design Methods and Theories. Design Methods Institute.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Design Methods and Theories. San Luis Obispo, Calif: Design Methods Institute, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Design Methods and Theories. Design Methods Institute, 2003.
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