Adrian, Horridge (2008). "Origins and Relationships of Pacific Canoes and Rigs". In Di Piazza, Anne; Pearthree, Erik (eds.). Canoes of the Grand Ocean(PDF). BAR International Series 1802. Archaeopress. ISBN9781407302898.
Kapitän, Gerhard (May 1989). "Records of Native Craft in Sri Lanka—I: The single outrigger fishing canoe oruwa—Part 2.2: Rowed, paddled and poled oru". International Journal of Nautical Archaeology. 18 (2): 137–149. Bibcode:1989IJNAr..18..137K. doi:10.1111/j.1095-9270.1989.tb00185.x.
Kapitän, Gerhard (May 1989). "Records of Native Craft in Sri Lanka—I: The single outrigger fishing canoe oruwa—Part 2.2: Rowed, paddled and poled oru". International Journal of Nautical Archaeology. 18 (2): 137–149. Bibcode:1989IJNAr..18..137K. doi:10.1111/j.1095-9270.1989.tb00185.x.
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"About the IVF". International Va'a Federation. Archived from the original on 25 July 2016. Retrieved 26 July 2019.