Marquez, J. (2002). Random drug testing in a private workplace under dangerous drug act of 2002. IN Point of law [column]. Philippine Star.
Citazione stile Chigago Style (17a edizione)Marquez, Jefferson. "Random Drug Testing in a Private Workplace Under Dangerous Drug Act of 2002. IN Point of Law [column]." Philippine Star 2002.
Citatione MLA (9a ed.)Marquez, Jefferson. "Random Drug Testing in a Private Workplace Under Dangerous Drug Act of 2002. IN Point of Law [column]." Philippine Star, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.