Rule, W. M. 1977. A Comparative Study of the Foe, Huli and Pole Languages of Papua New Guinea (Oceania Linguistic Monographs 20). Australia: University of Sydney.
@misc{2380, author = {Rule, W. M.}, title = {A Comparative Study of the Foe, Huli and Pole Languages of Papua New Guinea (Oceania Linguistic Monographs 20). Australia: University of Sydney.}, year = {1977} }