Grover, M. C., & DeFalco, L. A. (1995). Desert tortoise gopherus agassizii: Status of knowledge outline with references. Intermountain Research Station.
Cita Chicago (17th ed.)Grover, Mark C., i Lesley A. DeFalco. Desert Tortoise Gopherus Agassizii: Status of Knowledge Outline with References. Ogden: Intermountain Research Station, 1995.
Cita MLA (9th ed.)Grover, Mark C., i Lesley A. DeFalco. Desert Tortoise Gopherus Agassizii: Status of Knowledge Outline with References. Intermountain Research Station, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.