Revision of the western North Pacific species of the genus Raja. Japanese Journal of Ichthyology, 34(3), 241–285
Fishes of the genus Raja (Rajiformes: Rajidae) from Taiwan. Journal of Taiwan Museum, 42(2), 1–12
FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 3. Batoid fishes, chimaeras and bony fishes. part 1 (Elopidae to Linophrynidae). Rome, FAO. 1999: 1397–2068