Dyfyniad APA

Ullmann. (2007). Biotechnology and biochemical engineering. Wiley -VCH.

Dyfyniad Arddull Chicago

Ullmann. Biotechnology and Biochemical Engineering. Weinheim: Wiley -VCH, 2007.

Dyfyniad MLA

Ullmann. Biotechnology and Biochemical Engineering. Wiley -VCH, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.