International Annual Fertilizer Sham El-Sheikh, Egypt, & Arab Fertilizer Association. (2007). 13th AFA International Annual Fertilizer Forum: 6 - 8 February, 2007 : Sharm El-Sheikh, Egypt : Papers. Arab Fertilizer Association.
芝加哥风格引文International Annual Fertilizer Sham El-Sheikh, Egypt, 与 Arab Fertilizer Association. 13th AFA International Annual Fertilizer Forum: 6 - 8 February, 2007 : Sharm El-Sheikh, Egypt : Papers. Sharm El-Sheikh, Egypt: Arab Fertilizer Association, 2007.
MLA引文International Annual Fertilizer Sham El-Sheikh, Egypt, 与 Arab Fertilizer Association. 13th AFA International Annual Fertilizer Forum: 6 - 8 February, 2007 : Sharm El-Sheikh, Egypt : Papers. Arab Fertilizer Association, 2007.
警告：这些引文格式不一定是100％准确.