Beyer, H. O. (1950). The Philippines before Magellan. s.n.
Chicago Style aipamenaBeyer, Henry Otley. The Philippines Before Magellan. [Quezon Cityn: s.n, 1950.
MLA aipamenaBeyer, Henry Otley. The Philippines Before Magellan. s.n, 1950.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.