FAO. (1992). FAO fertilizer yearbook; N.43/1992. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Fertilizer Yearbook; N.43/1992. Rome: FAO, 1992.
MLA引文FAO. FAO Fertilizer Yearbook; N.43/1992. Rome: FAO, 1992.
警告：这些引文格式不一定是100％准确.
APA引文