एपीए उद्धरण

 Welker, R. W. (2006).  Contamination and ESD control in high-technology manufacturing.  John Wiley & Sons.

शिकागो स्टाइल उद्धरण

 Welker, Roger W.  Contamination and ESD Control in High-technology Manufacturing.  John Wiley & Sons, 2006.

एमएलए उद्धरण

 Welker, Roger W.  Contamination and ESD Control in High-technology Manufacturing.  John Wiley & Sons, 2006.