APA (7e ed.) Bronvermelding

Ryan, W. E., & Conover, T. E. (2004). Graphic communications today (Fourth edition.). Thomson/Delmar Learning.

Chicago (17e ed.) Bronvermelding

Ryan, William E., en Theodore E. Conover. Graphic Communications Today. Fourth edition. Australia: Thomson/Delmar Learning, 2004.

MLA (8e ed.) Bronvermelding

Ryan, William E., en Theodore E. Conover. Graphic Communications Today. Fourth edition. Thomson/Delmar Learning, 2004.