Arab Fertilizer Association. (2005). AFA 11th International Annual Fertilizer Conference, 1-3 February 2005, Cairo. Arab Fertilizer Association.
芝加哥风格引文Arab Fertilizer Association. AFA 11th International Annual Fertilizer Conference, 1-3 February 2005, Cairo. cairo: Arab Fertilizer Association, 2005.
MLA引文Arab Fertilizer Association. AFA 11th International Annual Fertilizer Conference, 1-3 February 2005, Cairo. Arab Fertilizer Association, 2005.
警告：这些引文格式不一定是100％准确.