Line and shading in drawing /
[text, Gabriel MartiÌn Roig ; exercises, Marta Bru ... [et al.] ; photography, Nos & Soto ; English translation by Marcela Estibill]
- Hauppauge, NY : Barron's Educational Series, Inc., c2005.
- 95 p. : col. ill. ; 27 cm.
- (Drawing Academy). .