Rivera, B. (2005). Mine spill no accident, workers tell probe team. Philippine Daily Inquirer.
Chicago-viite (17. p.)Rivera, Blanche. "Mine Spill No Accident, Workers Tell Probe Team." Philippine Daily Inquirer 2005.
MLA-viite (9. p.)Rivera, Blanche. "Mine Spill No Accident, Workers Tell Probe Team." Philippine Daily Inquirer, 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.