Ramos, B. V. (2003). The abong: A witness to the I'wak simplicity, tranquility and accord with nature. Journal of Northern Luzon.
Chicago Style (17. basım) AtıfRamos, Bonifacio V. "The Abong: A Witness to the I'wak Simplicity, Tranquility and Accord with Nature." Journal of Northern Luzon 2003.
MLA (9th ed.) AtıfRamos, Bonifacio V. "The Abong: A Witness to the I'wak Simplicity, Tranquility and Accord with Nature." Journal of Northern Luzon, 2003.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..