Waterman, Margaret P. 1932. A study of the Igorot language as spoken by the Bontoc Igorots. Manila: Bureau of Printing. 148pp.
@book{gWatermanBontocIgorots, author = {Waterman, Margaret P.}, pages = {148}, publisher = {Manila: Bureau of Printing}, title = {A study of the Igorot language as spoken by the Bontoc Igorots}, year = {1932} }