Reesink, Ger P. 1987. Structures and Their Functions in Usan: A Papuan Language of Papua New Guinea. Amsterdam: John Benjamins.
@book{reesink1987, address = {Amsterdam}, author = {Reesink, Ger P.}, publisher = {John Benjamins}, title = {Structures and Their Functions in Usan: A Papuan Language of Papua New Guinea}, year = {1987} }