Borja, A. (2003). Ifugao natives urged to return home and plant rice at terraces. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Borja, Adam. "Ifugao Natives Urged to Return Home and Plant Rice at Terraces." Manila Bulletin 2003.
Citatione MLA (9a ed.)Borja, Adam. "Ifugao Natives Urged to Return Home and Plant Rice at Terraces." Manila Bulletin, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.