APA aipamena

FAO. (1997). Improving agricultural extension: A reference manual. Rome: FAO.

Chicago Style aipamena

FAO. Improving Agricultural Extension: A Reference Manual. Rome: FAO, 1997.

MLA aipamena

FAO. Improving Agricultural Extension: A Reference Manual. Rome: FAO, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.