Newberry Library & Welsh, D. V. (1950). Checklist of Philippine linguistics in the Newberry Library. Newberry Library.
Chicago-viite (17. p.)Newberry Library ja Doris Varner Welsh. Checklist of Philippine Linguistics in the Newberry Library. Chicago, Ill: Newberry Library, 1950.
MLA-viite (9. p.)Newberry Library ja Doris Varner Welsh. Checklist of Philippine Linguistics in the Newberry Library. Newberry Library, 1950.
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