François, Alexandre; Franjieh, Michael; Lacrampe, Sébastien; Schnell, Stefan (2015). "The exceptional linguistic density of Vanuatu". In François, Alexandre; Lacrampe, Sébastien; Franjieh, Michael; Schnell, Stefan (eds.). The Languages of Vanuatu: Unity and Diversity(PDF). 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.