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.