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. vi+124pp.
@book{hvRuleFoe, author = {Rule, W. M.}, pages = {vi+124}, publisher = {Australia: University of Sydney}, series = {Oceania Linguistic Monographs}, title = {A Comparative Study of the Foe, Huli and Pole Languages of Papua New Guinea}, volume = {20}, year = {1977} }