Zorc, R. David Paul (1986). "The Genetic Relationships of Philippine Languages". En Geraghty, P.; Carrington, L.; Wurm, S. A. FOCAL II: Papers from the Fourth International Conference on Austronesian Linguistics. Pacific Linguistics, Series C, No. 94. Canberra: The Australian National University. pp. 147–173. ISBN0-85883-345-X. doi:10.15144/PL-C94.147. hdl:1885/252029.
Blust, Robert (2019). "The Resurrection of Proto-Philippines". Oceanic Linguistics58 (2): 153–256. doi:10.1353/ol.2019.0008.
handle.net
hdl.handle.net
Zorc, R. David Paul (1986). "The Genetic Relationships of Philippine Languages". En Geraghty, P.; Carrington, L.; Wurm, S. A. FOCAL II: Papers from the Fourth International Conference on Austronesian Linguistics. Pacific Linguistics, Series C, No. 94. Canberra: The Australian National University. pp. 147–173. ISBN0-85883-345-X. doi:10.15144/PL-C94.147. hdl:1885/252029.