Taylor, B.: Okinawa Rail (Hypotaenidia okinawae). [w:] del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (red.) (2014) Handbook of the Birds of the World Alive [on-line]. Lynx Edicions, Barcelona, 1996. [zarchiwizowane z tego adresu (2015-01-28)].
Kiyoaki Ozaki. Morphological differences of sex and age in the Okinawa Rail Gallirallus okinawae. „Ornithological Science”. 8 (2), s. 117–124, 2009. DOI: 10.2326/osj.8.117.
Taylor, B.: Okinawa Rail (Hypotaenidia okinawae). [w:] del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (red.) (2014) Handbook of the Birds of the World Alive [on-line]. Lynx Edicions, Barcelona, 1996. [zarchiwizowane z tego adresu (2015-01-28)].
itis.gov
Gallirallus okinawae, [w:] Integrated Taxonomic Information System [dostęp 2014-02-18](ang.).
