Alano, C. M. (2001). Bernie & Marilen Concepcion: The labs of their lives. Philippine Star.
Chicago-viite (17. p.)Alano, Ching M. "Bernie & Marilen Concepcion: The Labs of Their Lives." Philippine Star 2001.
MLA-viite (9. p.)Alano, Ching M. "Bernie & Marilen Concepcion: The Labs of Their Lives." Philippine Star, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.