London, J., & Bullard, N. (2008). The call of the wild (abridged version) (Simplified edition.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)London, Jack, agus Nick Bullard. The Call of the Wild (abridged Version). Simplified edition. New York: Oxford University Press, 2008.
Lua MLA (9ú heag.)London, Jack, agus Nick Bullard. The Call of the Wild (abridged Version). Simplified edition. Oxford University Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.