Dyfyniad APA

Richards, J. (2013). Freehand drawing and discovery: Urban sketching and concept drawing for designers. Wiley.

Dyfyniad Arddull Chicago

Richards, James. Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. Hoboken, New Jersey: Wiley, 2013.

Dyfyniad MLA

Richards, James. Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. Wiley, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.