Guimbatan, M. J. (2003). Still plenty of gold in Benguet province. Manila Times.
Chicago Style aipamenaGuimbatan, Mike Jr. "Still Plenty of Gold in Benguet Province." Manila Times 2003.
MLA aipamenaGuimbatan, Mike Jr. "Still Plenty of Gold in Benguet Province." Manila Times, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.