APA aipamena

Richards, J. (2013). Freehand drawing and discovery urban sketching and concept drawing for designers. John Wiley & Sons.

Chicago Style aipamena

Richards, James. Freehand Drawing and Discovery Urban Sketching and Concept Drawing for Designers. John Wiley & Sons, 2013.

MLA aipamena

Richards, James. Freehand Drawing and Discovery Urban Sketching and Concept Drawing for Designers. John Wiley & Sons, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.