Quismorio, E. A. Recycling fuels his green world. IN World. Philippine Daily Inquirer.
Chicago-viite (17. p.)Quismorio, Ellson A. "Recycling Fuels His Green World. IN World." Philippine Daily Inquirer .
MLA-viite (9. p.)Quismorio, Ellson A. "Recycling Fuels His Green World. IN World." Philippine Daily Inquirer, .
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.