Eissen, K., & Steur, R. Sketching: Drawing techniques for product designers.
Chicago Style (17th ed.) CitationEissen, Koos, and Roselien Steur. Sketching: Drawing Techniques for Product Designers.
ציטוט MLAEissen, Koos, and Roselien Steur. Sketching: Drawing Techniques for Product Designers.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.