Tam, J. J. (2000). Ibalois vow to continue fight vs. San Roque dam. Philippine Collegian.
Chicago Style aipamenaTam, Johnson Jonathan. "Ibalois Vow to Continue Fight Vs. San Roque Dam." Philippine Collegian 2000.
MLA aipamenaTam, Johnson Jonathan. "Ibalois Vow to Continue Fight Vs. San Roque Dam." Philippine Collegian, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.