Hidalgo, Cesar A. and Hidalgo, Araceli. 1971. A Tagmemic Grammar of Ivatan. Manila: Linguistic Society of the Philippines.
@book{hidalgohidalgo1971, address = {Manila}, author = {Hidalgo, Cesar A. and Hidalgo, Araceli}, publisher = {Linguistic Society of the Philippines}, title = {A Tagmemic Grammar of Ivatan}, year = {1971} }