Cirker, H., & Cirker, B. (1971). The golden age of the poster. Dover Publications.
Lua i Stíl Chicago (17ú heag.)Cirker, Hayward, agus Blanche Cirker. The Golden Age of the Poster. New York: Dover Publications, 1971.
Lua MLA (9ú heag.)Cirker, Hayward, agus Blanche Cirker. The Golden Age of the Poster. Dover Publications, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.