Hubbard Freeman & Farley, l. V. (1962). Great days of the circus (First edition.). American Heritage.
Lua i Stíl Chicago (17ú heag.)Hubbard Freeman agus leonardo V. Farley. Great Days of the Circus. First edition. New York: American Heritage, 1962.
Lua MLA (9ú heag.)Hubbard Freeman agus leonardo V. Farley. Great Days of the Circus. First edition. American Heritage, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.