Gajah | International Union for Conservation of Nature (IUCN). Cambridge University Press.
Chicago-čujuhus (17. p.)Gajah | International Union for Conservation of Nature (IUCN). Cambridge University Press.
MLA-čujuhus (9. p.)Gajah | International Union for Conservation of Nature (IUCN). Cambridge University Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.