Carr, A. F. (1952). Handbook of turtles: The turtles of the United States, Canada, and Baja California. Comstock Pub. Associates.
Chicago-viite (17. p.)Carr, Archie Fairly. Handbook of Turtles: The Turtles of the United States, Canada, and Baja California. Ithaca, N.Y: Comstock Pub. Associates, 1952.
MLA-viite (9. p.)Carr, Archie Fairly. Handbook of Turtles: The Turtles of the United States, Canada, and Baja California. Comstock Pub. Associates, 1952.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.