Worth, S., & Gross, L. P. (1981). Studying visual communication. University of Pennsylvania Press.
Citazione stile Chigago Style (17a edizione)Worth, Sol, e Larry P. Gross. Studying Visual Communication. Philadelphia: University of Pennsylvania Press, 1981.
Citatione MLA (9a ed.)Worth, Sol, e Larry P. Gross. Studying Visual Communication. University of Pennsylvania Press, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.