| Authors(s) | Diemer, J. E. |
| Year | 1989 |
| Title | Gopherus polyphemus. Gopher tortoise. In: I. R. Swingland, and M. W. Klemens (eds.). The Conservation Biology of Tortoises, pp. 14-16. Occ. Pap. IUCN/SSC 5, Tortoise and Freshwater Specialists Group. IUCN, Gland, Switzerland. |