APA aipamena

FAO. (1987). FAO fertilizer yearbook; N.36/1987. Rome: FAO.

Chicago Style aipamena

FAO. FAO Fertilizer Yearbook; N.36/1987. Rome: FAO, 1987.

MLA aipamena

FAO. FAO Fertilizer Yearbook; N.36/1987. Rome: FAO, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.