Headland, T. N., & Headland, J. D. (1974). A Dumagat (Casiguran)-English dictionary. Dept. of Linguistics, Research School of Pacific Studies, The Australian National University.
Παραπομπή σε μορφή Chicago (17η εκδ.)Headland, Thomas N., και Janet D. Headland. A Dumagat (Casiguran)-English Dictionary. Canberra: Dept. of Linguistics, Research School of Pacific Studies, The Australian National University, 1974.
Παραπομπή σε μορφή MLA (9th εκδ.)Headland, Thomas N., και Janet D. Headland. A Dumagat (Casiguran)-English Dictionary. Dept. of Linguistics, Research School of Pacific Studies, The Australian National University, 1974.
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