Bullard, N., & London, J. (1995). The call of the wild (Simplified edition.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Bullard, Nick, agus Jack London. The Call of the Wild. Simplified edition. Oxford: Oxford University Press, 1995.
Lua MLA (9ú heag.)Bullard, Nick, agus Jack London. The Call of the Wild. Simplified edition. Oxford University Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.