एपीए उद्धरण

The Patent and Trade Marks Cases (1989) Vol.9. The Patent and Trade Marks Cases.

शिकागो स्टाइल उद्धरण

The Patent and Trade Marks Cases (1989) Vol.9. Ludhiana: The Patent and Trade Marks Cases.

एमएलए उद्धरण

The Patent and Trade Marks Cases (1989) Vol.9. The Patent and Trade Marks Cases.