Günther, Albert (). „Description of the living and extinct races of gigantic land-tortoises. parts I. and II. introduction, and the tortoises of the Galapagos Islands”. Philosophical Transactions of the Royal Society of London, Biological Sciences. 165: 251–284. Bibcode:1875RSPT..165..251G. doi:10.1098/rstl.1875.0007. JSTOR109147.
DeSola, Ralph (). „The liebespiel of Testudo vandenburghi, a new name for the mid-Albemarle Island Galápagos tortoise”. Copeia. 1930 (3): 79–80. doi:10.2307/1437060. JSTOR1437060.
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Günther, Albert (). „Description of the living and extinct races of gigantic land-tortoises. parts I. and II. introduction, and the tortoises of the Galapagos Islands”. Philosophical Transactions of the Royal Society of London, Biological Sciences. 165: 251–284. Bibcode:1875RSPT..165..251G. doi:10.1098/rstl.1875.0007. JSTOR109147.
Günther, Albert (). „Description of the living and extinct races of gigantic land-tortoises. parts I. and II. introduction, and the tortoises of the Galapagos Islands”. Philosophical Transactions of the Royal Society of London, Biological Sciences. 165: 251–284. Bibcode:1875RSPT..165..251G. doi:10.1098/rstl.1875.0007. JSTOR109147.
DeSola, Ralph (). „The liebespiel of Testudo vandenburghi, a new name for the mid-Albemarle Island Galápagos tortoise”. Copeia. 1930 (3): 79–80. doi:10.2307/1437060. JSTOR1437060.