Dizon, A. (1999). Tourists fear tribal war, skip Sagada. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoDizon, Alfred. "Tourists Fear Tribal War, Skip Sagada." Philippine Daily Inquirer 1999.
Dyfyniad MLADizon, Alfred. "Tourists Fear Tribal War, Skip Sagada." Philippine Daily Inquirer, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.