Citazione Stile APA (7a Edizione)

Koenig, P. A. (2012). Design graphics: Drawing techniques for design professionals (3rd ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Koenig, Peter A. Design Graphics: Drawing Techniques for Design Professionals. 3rd ed. Boston: Prentice Hall, 2012.

Citatione MLA (9a ed.)

Koenig, Peter A. Design Graphics: Drawing Techniques for Design Professionals. 3rd ed. Prentice Hall, 2012.