^Reid, Lawrence A. (2018). "Modeling the Linguistic Situation in the Philippines". In Kikusawa, Ritsuko; Reid, Lawrence A. (eds.). Let’s Talk about Trees: Genetic Relationships of Languages and Their Phylogenic Representation. Senri Ethnological Studies, 98. pp. 91–105.
doi:
10.15021/00009006.
^
abThiessen, Henry Arnold (1980). Phonological Reconstruction of Proto-Palawan' (MA thesis). University of Texas at Arlington.
^Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2023).
Ethnologue: Languages of the World (Twenty-sixth ed.). Dallas, Texas: SIL International.