AN ULLMANN'S. (1999). An Ullmann's encyclopedia industrial inorganic chemicals and products volume 3: Fertilizers to hydrogen. Wiley-VCH.
芝加哥风格引文AN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 3: Fertilizers to Hydrogen. Weinheim: Wiley-VCH, 1999.
MLA引文AN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 3: Fertilizers to Hydrogen. Wiley-VCH, 1999.
警告：这些引文格式不一定是100％准确.