Maguilas, A. L. (1997). Study says cropland decline to continue with urbanization. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Maguilas, Armand L. "Study Says Cropland Decline to Continue with Urbanization." Philippine Daily Inquirer 1997.
Citatione MLA (9a ed.)Maguilas, Armand L. "Study Says Cropland Decline to Continue with Urbanization." Philippine Daily Inquirer, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.