Gaya APA

Wiley, . (2004). Ullmann's process and process engineering (2004). KGAA,Weinheim: Weinheim : Wiley-VCH Verlag GmbH & Co.KGaA,.

Gaya MLA

Wiley, . "Ullmann's process and process engineering". 2004 KGAA,Weinheim: Weinheim : Wiley-VCH Verlag GmbH & Co.KGaA,, 2004. Text.