Gw mau tau Rujukan dari Tomarctus. Jelasin dalam bahasa melayu

Martin, L.D. 1989. Fossil history of the terrestrial carnivora. Halaman 536 - 568 dalam J.L. Gittleman, penyunting. Carnivore Behavior, Ecology, and Evolution, Jil. 1. Comstock Publishing Associates: Ithaca.

Tedford, R.H. 1978. History of dogs and cats: A view from the fossil record. Halaman 1 – 10 in Nutrition and Management of Dogs and Cats. Ralston Purina Co.: St. Louis.

- Bio One Data Base - Tomarctus