Magkilat, B. C. (2003). Simon Keng Chye Teo. IN Pro-files [column]: Making farmers more productive. Manila Bulletin.
Chicago-viite (17. p.)Magkilat, Bernie Cahiles. "Simon Keng Chye Teo. IN Pro-files [column]: Making Farmers More Productive." Manila Bulletin 2003.
MLA-viite (9. p.)Magkilat, Bernie Cahiles. "Simon Keng Chye Teo. IN Pro-files [column]: Making Farmers More Productive." Manila Bulletin, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.