APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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