एपीए उद्धरण

The Patent and Trade Marks Cases (1981) Vol.1. The Patent and Trade Marks Cases.

शिकागो स्टाइल उद्धरण

The Patent and Trade Marks Cases (1981) Vol.1. Ludhiana: The Patent and Trade Marks Cases.

एमएलए उद्धरण

The Patent and Trade Marks Cases (1981) Vol.1. The Patent and Trade Marks Cases.