Ross, Malcolm.Pronouns as a preliminary diagnostic for grouping Papuan languages // Papuan Pasts: Cultural, Linguistic and Biological Histories of Papuan-Speaking Peoples / Edited by Andrew Pawley, Robert Attenborough, Jack Golson and Robin Hide ; Pacific Linguistics, Research School of Pacific and Asian Studies, The Australian National University. — Canberra, 2005. — 817 p. — (Pacific Linguistics 572). — ISBN 0-85883-562-2.
Дэйви, Морис.Эволюция войн = The Evolution of War: A Study of Its Role in Early Societies (рус.) / [пер. с англ. Л. А. Калашниковой]. — М.: Центрполиграф, 2009. — С. 143. — 380 с. — (Хроники военных сражений). — ISBN 978-5-9524-4070-8.