Abello, M. M. (2013). Ifugao rice terraces restored, seen to enhance heirloom rice production. Agriculture.
Citazione stile Chigago Style (17a edizione)Abello, Melpha M. "Ifugao Rice Terraces Restored, Seen to Enhance Heirloom Rice Production." Agriculture 2013.
Citatione MLA (9a ed.)Abello, Melpha M. "Ifugao Rice Terraces Restored, Seen to Enhance Heirloom Rice Production." Agriculture, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.