Richards, J. (2013). Freehand drawing and discovery: Urban sketching and concept drawing for designers. Wiley.
Cita Chicago Style (17a ed.)Richards, James. Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. Hoboken, New Jersey: Wiley, 2013.
Cita MLA (8a ed.)Richards, James. Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. Wiley, 2013.
Precaución: Estas citas no son 100% exactas.