Gaya APA

Poulin, R. (2011). The Language of Graphic Design ; An Illustrated Hanbook for Understanding Fundalmental Design Principles (First Edition). United States of America: Rockpor Publishers, Inc.

Gaya MLA

Poulin, Richard. "The Language of Graphic Design ; An Illustrated Hanbook for Understanding Fundalmental Design Principles". First Edition United States of America: Rockpor Publishers, Inc, 2011. eBook.