APA aipamena

Roberts, R. A. J. (2005). Insurance of crops in developing countries. Rome: Food and Agirculture Organization of the United Nations.

Chicago Style aipamena

Roberts, R. A. J. Insurance of Crops in Developing Countries. Rome: Food and Agirculture Organization of the United Nations, 2005.

MLA aipamena

Roberts, R. A. J. Insurance of Crops in Developing Countries. Rome: Food and Agirculture Organization of the United Nations, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.