Zorc, R. D. P., & Almarines, A. (2021). Axis relationships in the Philippines: When traditional subgrouping falls short. The Archive.
Chicago-viite (17. p.)Zorc, R. David Paul, ja April Almarines. "Axis Relationships in the Philippines: When Traditional Subgrouping Falls Short." The Archive 2021.
MLA-viite (9. p.)Zorc, R. David Paul, ja April Almarines. "Axis Relationships in the Philippines: When Traditional Subgrouping Falls Short." The Archive, 2021.
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