Citazione Stile APA (7a Edizione)

Porter, T. (1980). Manual of graphic techniques for architects, graphic designers, and artists. Astragal Books.

Citazione stile Chigago Style (17a edizione)

Porter, Tom. Manual of Graphic Techniques for Architects, Graphic Designers, and Artists. London: Astragal Books, 1980.

Citatione MLA (9a ed.)

Porter, Tom. Manual of Graphic Techniques for Architects, Graphic Designers, and Artists. Astragal Books, 1980.