Koenig, P. A. (2000). Design graphics: Drawing techniques for design professions. Upper Saddle River, N.J.: Prentice Hall.
استشهاد بنمط شيكاغوKoenig, Peter A. Design Graphics: Drawing Techniques for Design Professions. Upper Saddle River, N.J.: Prentice Hall, 2000.
MLA استشهادKoenig, Peter A. Design Graphics: Drawing Techniques for Design Professions. Upper Saddle River, N.J.: Prentice Hall, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.