FAO. (1993). Technical handbook on symbiotic nitrogen fixation: Legume/Rhizobium. Rome: FAO.
Chicago Style CitationFAO. Technical Handbook On Symbiotic Nitrogen Fixation: Legume/Rhizobium. Rome: FAO, 1993.
Cita MLAFAO. Technical Handbook On Symbiotic Nitrogen Fixation: Legume/Rhizobium. Rome: FAO, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.