Buffington, B. E., Weimer, T., & Jones, R. G. (1909). The circus reader for first and second year pupils. Benj. H. Sanborn & Co..
Lua i Stíl Chicago (17ú heag.)Buffington, Bertha Elinor, Theresa Weimer, agus R. G. Jones. The Circus Reader for First and Second Year Pupils. Boston ; New York ; Chicago: Benj. H. Sanborn & Co., 1909.
Lua MLA (8ú heag.)Buffington, Bertha Elinor, et al. The Circus Reader for First and Second Year Pupils. Benj. H. Sanborn & Co., 1909.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.