Gair, A. (1997). Drawing: A complete step-by-step guide to techniques and materials. New Holland.
Chicago Style aipamenaGair, Angela. Drawing: A Complete Step-by-step Guide to Techniques and Materials. London: New Holland, 1997.
MLA aipamenaGair, Angela. Drawing: A Complete Step-by-step Guide to Techniques and Materials. New Holland, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.