Principe, D. (2018). Eumir Felix Marcial: A warrior emerges. Manila Bulletin.
Cita Chicago (17th ed.)Principe, Dennis. "Eumir Felix Marcial: A Warrior Emerges." Manila Bulletin 2018.
Cita MLA (9th ed.)Principe, Dennis. "Eumir Felix Marcial: A Warrior Emerges." Manila Bulletin, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.