(Inggeris) Kirchman, Jeremy J (2012). "Speciation of Flightless Rails on Islands: A DNA-based phylogeny of the typical rails of the Pacific". The Auk. 129 (1): 56–69. doi:10.1525/auk.2011.11096.
(Inggeris) Heinrich, Gerd (1956). "Biologische Aufzeichnungen über Vögel von Halmahera und Batjan". Journal für Ornithologie (dalam bahasa German). 97 (1): 31–40. doi:10.1007/BF01670833.CS1 maint: unrecognized language (link)
(Inggeris) Hoyo, Josep del; Elliott, Andrew; Sargatal, Jordi; Christie, David A; de Juana, Eduardo (eds.) (2013). "Rails, Gallinules and Coots". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. Dicapai pada 13 April 2014.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
(Inggeris) Allen, Desmond; Oliveros, Carl; Española, Carmela; Broad, Genevieve; Gonzalez, Juan Carlos T (2004). "A new species of Gallirallus from Calayan island, Philippines"(PDF). Forktail: Journal of Asian Ornithology. 20: 1–7. Dicapai pada 18 Juni 2011. Check date values in: |accessdate= (bantuan)
(Inggeris) Allen, Desmond; Oliveros, Carl; Española, Carmela; Broad, Genevieve; Gonzalez, Juan Carlos T (2004). "A new species of Gallirallus from Calayan island, Philippines"(PDF). Forktail: Journal of Asian Ornithology. 20: 1–7. Dicapai pada 18 Juni 2011. Check date values in: |accessdate= (bantuan)