Reptiles of the World :
Ditmars, Raymond L..
Reptiles of the World : The Cocodrilians. Lizards. Snakes, Turtles and Tortoise of the Eastern and Western Hemispheres. - New York : The Masmillan Company, 1933.
Zoología Reptiles Cocodrilos Tortugas
Reptiles of the World : The Cocodrilians. Lizards. Snakes, Turtles and Tortoise of the Eastern and Western Hemispheres. - New York : The Masmillan Company, 1933.
Zoología Reptiles Cocodrilos Tortugas