APA aipamena

Espinas, M. B. (1968). A critical study of Ibalong, the Bikol folk epic-fragment. [s.l.].

Chicago Style aipamena

Espinas, Merito B. A Critical Study of Ibalong, the Bikol Folk Epic-fragment. [Manila]: [s.l.], 1968.

MLA aipamena

Espinas, Merito B. A Critical Study of Ibalong, the Bikol Folk Epic-fragment. [s.l.], 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.