Loomis, A. (2012). Successful drawing. Titan Books.
Cita Chicago (17th ed.)Loomis, Andrew. Successful Drawing. London, England: Titan Books, 2012.
Cita MLA (9th ed.)Loomis, Andrew. Successful Drawing. Titan Books, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.