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Fredericksen, Todd S. (2014). "Thermal Regulation and Habitat Use of the Eastern Box Turtle in Southwestern Virginia". Northeastern Naturalist. 21: 554–564. doi:10.1656/045.021.0406 – melalui UGA.
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Fritz, Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World"(PDF). Vertebrate Zoology. 57 (2): 197–198. Diarkibkan daripada yang asal(PDF) pada 2010-12-17. Dicapai pada 29 May 2012. Unknown parameter |deadurl= ignored (bantuan)
wikipedia.org
en.wikipedia.org
Fritz, Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World"(PDF). Vertebrate Zoology. 57 (2): 197–198. Diarkibkan daripada yang asal(PDF) pada 2010-12-17. Dicapai pada 29 May 2012. Unknown parameter |deadurl= ignored (bantuan)