Angara, E. J. (2015). Palauig solar power project. IN More Vital Than Ever [column]. Manila Bulletin.
Chicago Style aipamenaAngara, Edgardo J. "Palauig Solar Power Project. IN More Vital Than Ever [column]." Manila Bulletin 2015.
MLA aipamenaAngara, Edgardo J. "Palauig Solar Power Project. IN More Vital Than Ever [column]." Manila Bulletin, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.