| Authors(s) | Yasukawa, Y., H. Ota, and T. Hikada. |
| Year | 1992 |
| Title | Taxonomic re-evaluation of the two subspecies of Geoemyda spengleri spengleri [sic] (Gmelin, 1789) (Reptilia: Emydidae). Japanese J. Herpetol. 14: 143-159. |
| Authors(s) | Yasukawa, Y., H. Ota, and T. Hikada. |
| Year | 1992 |
| Title | Taxonomic re-evaluation of the two subspecies of Geoemyda spengleri spengleri [sic] (Gmelin, 1789) (Reptilia: Emydidae). Japanese J. Herpetol. 14: 143-159. |