Colina, A. L., IV. Mayor sara wants intensified monitoring of quarry operations. IN Environment News. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Colina, Antonio L., IV. "Mayor Sara Wants Intensified Monitoring of Quarry Operations. IN Environment News." Manila Bulletin .
Citatione MLA (9a ed.)Colina, Antonio L., IV. "Mayor Sara Wants Intensified Monitoring of Quarry Operations. IN Environment News." Manila Bulletin, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.