Alano, C. M. (2001). Bernie & Marilen Concepcion: The labs of their lives. Philippine Star.
Cita Chicago (17th ed.)Alano, Ching M. "Bernie & Marilen Concepcion: The Labs of Their Lives." Philippine Star 2001.
Cita MLA (9th ed.)Alano, Ching M. "Bernie & Marilen Concepcion: The Labs of Their Lives." Philippine Star, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.