Cita APA (7th ed.)

Porter, T., & Goodman, S. (1991). Design drawing techniques for architects, graphic designers and artists. Butterworth Architecture.

Cita Chicago (17th ed.)

Porter, Tom, i Sue Goodman. Design Drawing Techniques for Architects, Graphic Designers and Artists. Oxford: Butterworth Architecture, 1991.

Cita MLA (9th ed.)

Porter, Tom, i Sue Goodman. Design Drawing Techniques for Architects, Graphic Designers and Artists. Butterworth Architecture, 1991.