Gaya APA

Wiley-Vch, . (2004). Ullmann s processed and process engineering. (2004). : Wiley-VCH verlg GmbH&Co.KGaA.

Gaya MLA

Wiley-Vch, . "Ullmann s processed and process engineering.". 2004 : Wiley-VCH verlg GmbH&Co.KGaA, 2004. Text.