Sidney H.S.H.RaySidney H.S.H., Sketch of Nguna Grammar, „The Journal of the Anthropological Institute of Great Britain and Ireland”, 16, 1887, s. 409–418, DOI: 10.2307/2841882, ISSN0959-5295, JSTOR: 2841882(ang.).
Sidney H.S.H.RaySidney H.S.H., Sketch of Nguna Grammar, „The Journal of the Anthropological Institute of Great Britain and Ireland”, 16, 1887, s. 409–418, DOI: 10.2307/2841882, ISSN0959-5295, JSTOR: 2841882(ang.).
Albert J.A.J.SchützAlbert J.A.J., Nguna Texts: A collection of traditional and modern narratives from the Central New Hebrides, Honolulu: University of Hawaiʻi Press, 1969 (Oceanic Linguistics Special Publication 4), ISSN0078-3188, OCLC11480, JSTOR: 20019120(ang.). Brak numerów stron w książce
Sidney H.S.H.RaySidney H.S.H., Sketch of Nguna Grammar, „The Journal of the Anthropological Institute of Great Britain and Ireland”, 16, 1887, s. 409–418, DOI: 10.2307/2841882, ISSN0959-5295, JSTOR: 2841882(ang.).
HansH.SchmidtHansH., Nguna Dictionary, Neuendettelsau: Erlanger Verlag für Mission und Ökumene, 2023, ISBN 978-3-87214-573-4, OCLC1369151591(ang.). Brak numerów stron w książce
Albert J.A.J.SchützAlbert J.A.J., Nguna Texts: A collection of traditional and modern narratives from the Central New Hebrides, Honolulu: University of Hawaiʻi Press, 1969 (Oceanic Linguistics Special Publication 4), ISSN0078-3188, OCLC11480, JSTOR: 20019120(ang.). Brak numerów stron w książce