Bondoc, J. (2019). Mastery required in airport security. IN Gotcha [column]. Philippine Star.
Citazione stile Chigago Style (17a edizione)Bondoc, Jarius. "Mastery Required in Airport Security. IN Gotcha [column]." Philippine Star 2019.
Citatione MLA (9a ed.)Bondoc, Jarius. "Mastery Required in Airport Security. IN Gotcha [column]." Philippine Star, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.