ETHNONYMS: Bunlap, Pornowol, Sa, South Ragans
Jolly, Margaret (1981). "People and Their Products in South Pentecost." In Vanuatu: Politics, Economics, and Ritual in Island Melanesia, edited by Michael Allen, 269-293. Sydney: Academic Press.
Jolly, Margaret (1991). "Soaring Hawks and Grounded Persons: The Politics of Rank and Gender in North Vanuatu." In Big Men and Great Men: Personifications of Power in Melanesia, edited by Maurice Godelier and Marilyn Strathern. Cambridge: Cambridge University Press.
Van Trease, Howard (1987). The Politics of Land in Vanuatu: From Colony to Independence. Suva, Fiji: University of the South Pacific, Institute of Pacific Studies.