Cita APA (7th ed.)

Poulin, R. (2011). The language of graphic design. Rockport publishing.

Cita Chicago (17th ed.)

Poulin, Richard. The Language of Graphic Design. USA: Rockport publishing, 2011.

Cita MLA (9th ed.)

Poulin, Richard. The Language of Graphic Design. Rockport publishing, 2011.