Cita APA (7th ed.)

Ryan William & Conover Theodore. (2003). Graphic Communication Today (3rd ed.). Canging Learning.

Cita Chicago (17th ed.)

Ryan William i Conover Theodore. Graphic Communication Today. 3rd ed. Delmar: Canging Learning, 2003.

Cita MLA (9th ed.)

Ryan William i Conover Theodore. Graphic Communication Today. 3rd ed. Canging Learning, 2003.