Maria de Bera, R. (1979). Gramatica Pangasinan; entresacada de varias anteriores y de otros libros [microform]. Photoduplication Service. University of the Philippines Library.
Čikaški stil citiranja (17. izdanje)Maria de Bera, Roman. Gramatica Pangasinan; Entresacada De Varias Anteriores Y De Otros Libros [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA način citiranja (9. izdanje)Maria de Bera, Roman. Gramatica Pangasinan; Entresacada De Varias Anteriores Y De Otros Libros [microform]. Photoduplication Service. University of the Philippines Library, 1979.
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