Ross, B. I. (1965). Advertising education L programs in four-year American colleges and universities. American Academy of Advertising.
Lua i Stíl Chicago (17ú heag.)Ross, Billy I. Advertising Education L Programs in Four-year American Colleges and Universities. [Tempen Ariz.]: American Academy of Advertising, 1965.
Lua MLA (9ú heag.)Ross, Billy I. Advertising Education L Programs in Four-year American Colleges and Universities. American Academy of Advertising, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.