APA aipamena

FAO. (1993). Technical handbook on symbiotic nitrogen fixation: Legume/Rhizobium. Rome: FAO.

Chicago Style aipamena

FAO. Technical Handbook On Symbiotic Nitrogen Fixation: Legume/Rhizobium. Rome: FAO, 1993.

MLA aipamena

FAO. Technical Handbook On Symbiotic Nitrogen Fixation: Legume/Rhizobium. Rome: FAO, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.