Mendelowitz, D. M., Wakeham, D. A., & Faber, D. L. (2003). A guide to drawing (6th ed.). Thomson/Wadsworth.
Chicago Style aipamenaMendelowitz, Daniel Marcus, Duane A. Wakeham, and David L. Faber. A Guide to Drawing. 6th ed. Belmont, Calif: Thomson/Wadsworth, 2003.
MLA aipamenaMendelowitz, Daniel Marcus, et al. A Guide to Drawing. 6th ed. Thomson/Wadsworth, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.