Signs of the Times magazine. (1989). Successful sign design. Retail Reporting.
Citazione stile Chigago Style (17a edizione)Signs of the Times magazine. Successful Sign Design. New York: Retail Reporting, 1989.
Citatione MLA (9a ed.)Signs of the Times magazine. Successful Sign Design. Retail Reporting, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.