Bridgman,George B. (2009). Bridgman's complete guide to Drawing form life (2nd ed.). Sterlimg.
Cita Chicago (17th ed.)Bridgman,George B. Bridgman's Complete Guide to Drawing Form Life. 2nd ed. New York: Sterlimg, 2009.
Cita MLA (9th ed.)Bridgman,George B. Bridgman's Complete Guide to Drawing Form Life. 2nd ed. Sterlimg, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.