Ludwig, J. B. (1963). Confusions / Jack B. Ludwig. Graphic Society.
Lua i Stíl Chicago (17ú heag.)Ludwig, Jack Barry. Confusions / Jack B. Ludwig. Greenwich, Conn: Graphic Society, 1963.
Lua MLA (9ú heag.)Ludwig, Jack Barry. Confusions / Jack B. Ludwig. Graphic Society, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.