एपीए उद्धरण

The Patent and Trade Marks Cases (2001) Vol.21. The Patent and Trade Marks Cases.

शिकागो स्टाइल उद्धरण

The Patent and Trade Marks Cases (2001) Vol.21. Ludhiana: The Patent and Trade Marks Cases.

एमएलए उद्धरण

The Patent and Trade Marks Cases (2001) Vol.21. The Patent and Trade Marks Cases.