Gair, A. (1997). Drawing: A complete step-by-step guide to techniques and materials. New Holland.
Chicago-viite (17. p.)Gair, Angela. Drawing: A Complete Step-by-step Guide to Techniques and Materials. London: New Holland, 1997.
MLA-viite (9. p.)Gair, Angela. Drawing: A Complete Step-by-step Guide to Techniques and Materials. New Holland, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.