APA-viite (7. p.)

Marquez, J. (2002). Random drug testing in a private workplace under dangerous drug act of 2002. IN Point of law [column]. Philippine Star.

Chicago-viite (17. p.)

Marquez, Jefferson. "Random Drug Testing in a Private Workplace Under Dangerous Drug Act of 2002. IN Point of Law [column]." Philippine Star 2002.

MLA-viite (9. p.)

Marquez, Jefferson. "Random Drug Testing in a Private Workplace Under Dangerous Drug Act of 2002. IN Point of Law [column]." Philippine Star, 2002.