APA (7e ed.) Bronvermelding

Javier, E. Q. (2017). National Scientist Gelia T. Castillo: The scientist with a big heart. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Javier, Emil Q. "National Scientist Gelia T. Castillo: The Scientist with a Big Heart." Manila Bulletin 2017.

MLA (9e ed.) Bronvermelding

Javier, Emil Q. "National Scientist Gelia T. Castillo: The Scientist with a Big Heart." Manila Bulletin, 2017.