Citazione Stile APA (7a Edizione)

Landa, R. (2011). Graphic design solutions (4th ed.). Wadsworth/Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Landa, Robin. Graphic Design Solutions. 4th ed. Boston, Mass: Wadsworth/Cengage Learning, 2011.

Citatione MLA (9a ed.)

Landa, Robin. Graphic Design Solutions. 4th ed. Wadsworth/Cengage Learning, 2011.