Caldez, E. (2003). 17-year old Cagayan student invents remote thermometer. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Caldez, Estanislao. "17-year Old Cagayan Student Invents Remote Thermometer." Philippine Daily Inquirer 2003.
Cita MLA (9th ed.)Caldez, Estanislao. "17-year Old Cagayan Student Invents Remote Thermometer." Philippine Daily Inquirer, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.