Ernst, C. H.; Altenbourgh, R. G. M.; Barbour, R. W. Turtles of the World. Netherlands: ETI Information Systems Ltd. 1997 [2013-04-01]. (原始内容存档于2011-06-28).
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Ernst, C. H.; Altenbourgh, R. G. M.; Barbour, R. W. Turtles of the World. Netherlands: ETI Information Systems Ltd. 1997 [2013-04-01]. (原始内容存档于2011-06-28).