APA aipamena

Thurber, D. (1997). Poverty, erosion threaten famed Banaue rice terraces. Manila Bulletin.

Chicago Style aipamena

Thurber, David. "Poverty, Erosion Threaten Famed Banaue Rice Terraces." Manila Bulletin 1997.

MLA aipamena

Thurber, David. "Poverty, Erosion Threaten Famed Banaue Rice Terraces." Manila Bulletin, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.