Παραπομπή σε μορφή APA (7η εκδ.)

Yap, R. C. (2003). Global warming, more dangerous than terrorism. IN Commentary [column]. Philippine Daily Inquirer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Yap, Roberto C. "Global Warming, More Dangerous than Terrorism. IN Commentary [column]." Philippine Daily Inquirer 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Yap, Roberto C. "Global Warming, More Dangerous than Terrorism. IN Commentary [column]." Philippine Daily Inquirer, 2003.