Citazione Stile APA (7a Edizione)

Ordoñez, E. M. (2013). Inventions that actually aid farmers. IN Commentary [column]. Philippine Daily Inquirer.

Citazione stile Chigago Style (17a edizione)

Ordoñez, Ernesto M. "Inventions That Actually Aid Farmers. IN Commentary [column]." Philippine Daily Inquirer 2013.

Citatione MLA (9a ed.)

Ordoñez, Ernesto M. "Inventions That Actually Aid Farmers. IN Commentary [column]." Philippine Daily Inquirer, 2013.