* Girling, S.J. and Raiti, P. (2004). BSAVA Manual of Reptiles. British Small Animal Veterinary Association, 2nd Edition. pp. 350. ISBN 978-0905214757 | * Girling, S.J. and Raiti, P. (2004). BSAVA Manual of Reptiles. British Small Animal Veterinary Association, 2nd Edition. pp. 350. ISBN 978-0905214757 |