Ebreo, B. M. (2003). Quadruplets: From cage to classroom. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Ebreo, Ben Moses. "Quadruplets: From Cage to Classroom." Philippine Daily Inquirer 2003.
Cita MLA (9th ed.)Ebreo, Ben Moses. "Quadruplets: From Cage to Classroom." Philippine Daily Inquirer, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.