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Lua i Stíl Chicago (17ú heag.)Espinas, Merito B. A Critical Study of Ibalong: The Bikol Folk Epic-fragment. [Manila: s.n.], 1968.
Lua MLA (9ú heag.)Espinas, Merito B. A Critical Study of Ibalong: The Bikol Folk Epic-fragment. s.n.], 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.