Gaya APA

Powell, D., Monahan, P. (1994). Advanced marker techniques : how to use markers for advertising, packaging, illustration, automotive and interior design . New INterlitho: Litte, Brown and Company.

Gaya MLA

Powell, Dick., Monahan, Patricia. "Advanced marker techniques : how to use markers for advertising, packaging, illustration, automotive and interior design". New INterlitho: Litte, Brown and Company, 1994. Text.