APA (7e ed.) Bronvermelding

Barrera, V. (2023). Reflections on a repurposed fortress and Sun Tzu's art of war. IN My Turn [column]. Philippine Star.

Chicago (17e ed.) Bronvermelding

Barrera, Vicky. "Reflections on a Repurposed Fortress and Sun Tzu's Art of War. IN My Turn [column]." Philippine Star 2023.

MLA (9e ed.) Bronvermelding

Barrera, Vicky. "Reflections on a Repurposed Fortress and Sun Tzu's Art of War. IN My Turn [column]." Philippine Star, 2023.