Gaya APA

Boerboom, P., Proetel, T. (2017). Figure Drawing Methods for Artits : Over 130 Methods for Sketching, Drawing, and Artistic Discovery . Cina: Rockport Publisher.

Gaya MLA

Boerboom, Peter., Proetel, Tim. "Figure Drawing Methods for Artits : Over 130 Methods for Sketching, Drawing, and Artistic Discovery". Cina: Rockport Publisher, 2017. Text.