एपीए उद्धरण

Westerlund, L. (2002). Biotech patents: Equivalency and exclusions under European and US patent law. Kluwer law international.

शिकागो स्टाइल उद्धरण

Westerlund, Li. Biotech Patents: Equivalency and Exclusions Under European and US Patent Law. Hague: Kluwer law international, 2002.

एमएलए उद्धरण

Westerlund, Li. Biotech Patents: Equivalency and Exclusions Under European and US Patent Law. Kluwer law international, 2002.