Citazione Stile APA (7a Edizione)

Ortuoste, J. (2019). Manila Bay clean up. IN Opinion [column]. Manila Standard.

Citazione stile Chigago Style (17a edizione)

Ortuoste, Jenny. "Manila Bay Clean Up. IN Opinion [column]." Manila Standard 2019.

Citatione MLA (9a ed.)

Ortuoste, Jenny. "Manila Bay Clean Up. IN Opinion [column]." Manila Standard, 2019.