(1976). Province of Zambales. s.n.].
Chicago Style aipamenaProvince of Zambales. [S.l: s.n.], 1976.
MLA aipamenaProvince of Zambales. s.n.], 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(1976). Province of Zambales. s.n.].
Chicago Style aipamenaProvince of Zambales. [S.l: s.n.], 1976.
MLA aipamenaProvince of Zambales. s.n.], 1976.