AN ULLMANN'S. (1999). An Ullmann's encyclopedia industrial inorganic chemicals and products volume 3: Fertilizers to hydrogen. Wiley-VCH.
Citación estilo ChicagoAN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 3: Fertilizers to Hydrogen. Weinheim: Wiley-VCH, 1999.
Cita MLAAN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 3: Fertilizers to Hydrogen. Wiley-VCH, 1999.
Warning: These citations may not always be 100% accurate.