Source: van Enk and de Vries (1997)
van Enk, Gerrit J. and Lourens J. de Vries. 1997. The Korowai of Irian Jaya: Their language in its cultural context. Oxford; New York: Oxford University Press.
van Enk, Gerrit J. and Lourens J. de Vries. 1997. The Korowai of Irian Jaya: Their language in its cultural context. Oxford; New York: Oxford University Press.