(1961). School library journal: SLJ. R.R. Bowker Co., Xerox Co..
Lua i Stíl Chicago (17ú heag.)School Library Journal: SLJ. New York: R.R. Bowker Co., Xerox Co., 1961.
Lua MLA (9ú heag.)School Library Journal: SLJ. R.R. Bowker Co., Xerox Co., 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.