François, Alexandre; Franjieh, Michael; Lacrampe, Sébastien; Schnell, Stefan (2015), "The exceptional linguistic density of Vanuatu"(PDF), in François, Alexandre; Lacrampe, Sébastien; Franjieh, Michael; Schnell, Stefan (eds.), The Languages of Vanuatu: Unity and Diversity, Studies in the Languages of Island Melanesia, Canberra: Asia Pacific Linguistics Open Access, pp. 1–21, ISBN9781922185235
Further reading
Jean-Michel Charpentier[in French] (1982). Atlas linguistique du Sud-Malekula — Linguistic Atlas of South Malekula (Vanuatu). Paris: Centre National de la Recherche.