Snodgrass, M. E. (1997). Encyclopedia of frontier literature. ABC-CLIO.
Lua i Stíl Chicago (17ú heag.)Snodgrass, Mary Ellen. Encyclopedia of Frontier Literature. Santa Barbara, Calif.: ABC-CLIO, 1997.
Lua MLA (8ú heag.)Snodgrass, Mary Ellen. Encyclopedia of Frontier Literature. ABC-CLIO, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.