Sjolen, K., & Macdonald, A. (2011). Learning curves : an inspiring guide to improve your design sketch skills / Klara Sjolen, Allan Macdonald: An inspiring guide to improve your design sketch skills. KEEOS Design.
Chicago Style (17th ed.) CitationSjolen, Klara, and Allan Macdonald. Learning Curves : An Inspiring Guide to Improve Your Design Sketch Skills / Klara Sjolen, Allan Macdonald: An Inspiring Guide to Improve Your Design Sketch Skills. [Sundsvall?]: KEEOS Design, 2011.
MLA (9th ed.) CitationSjolen, Klara, and Allan Macdonald. Learning Curves : An Inspiring Guide to Improve Your Design Sketch Skills / Klara Sjolen, Allan Macdonald: An Inspiring Guide to Improve Your Design Sketch Skills. KEEOS Design, 2011.
Warning: These citations may not always be 100% accurate.