APA aipamena

FAO. (1990). Farming systems development: Guidelines for the conduct of a training course in farming systems development. Rome: FAO.

Chicago Style aipamena

FAO. Farming Systems Development: Guidelines for the Conduct of a Training Course in Farming Systems Development. Rome: FAO, 1990.

MLA aipamena

FAO. Farming Systems Development: Guidelines for the Conduct of a Training Course in Farming Systems Development. Rome: FAO, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.