FAO. (1987). FAO fertilizer yearbook; N.36/1987. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Fertilizer Yearbook; N.36/1987. Rome: FAO, 1987.
MLA引文FAO. FAO Fertilizer Yearbook; N.36/1987. Rome: FAO, 1987.
警告：這些引文格式不一定是100％准確.
APA引文