APA (7e ed.) Bronvermelding

Abello, M. M. (2013). Ifugao rice terraces restored, seen to enhance heirloom rice production. Agriculture.

Chicago (17e ed.) Bronvermelding

Abello, Melpha M. "Ifugao Rice Terraces Restored, Seen to Enhance Heirloom Rice Production." Agriculture 2013.

MLA (9e ed.) Bronvermelding

Abello, Melpha M. "Ifugao Rice Terraces Restored, Seen to Enhance Heirloom Rice Production." Agriculture, 2013.

Let op: Deze citaties zijn niet altijd 100% accuraat.