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}
}