^ Xingquan Xia, Ling Wang, Liuwang Nie, Zhengfeng Huang, Yuan Jiang, Wanxing Jing and Luo Liu. 2011. Interspecific hybridization between Mauremys reevesii and Mauremys sinensis: Evidence from morphology and DNA sequence data. African Journal of Biotechnology. 10(35), 6716-6724.
http://www.academicjournals.org/ajb/PDF/pdf2011/13Jul/Xia%20et%20al.pdf