Dyfyniad APA

Castillo, R. Reducing in-car pollution. Philippine daily inquirer.

Dyfyniad Arddull Chicago

Castillo, Rafael. "Reducing In-car Pollution." Philippine Daily Inquirer .

Dyfyniad MLA

Castillo, Rafael. "Reducing In-car Pollution." Philippine Daily Inquirer, .

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.