एपीए उद्धरण

Ugbolue, S. C. O. (2009). Polyolefin fibres: Industrial and medical applications. Woodhead Publishing Ltd.

शिकागो स्टाइल उद्धरण

Ugbolue, Samuel C O. Polyolefin Fibres: Industrial and Medical Applications. Cambridge: Woodhead Publishing Ltd, 2009.

एमएलए उद्धरण

Ugbolue, Samuel C O. Polyolefin Fibres: Industrial and Medical Applications. Woodhead Publishing Ltd, 2009.