एपीए उद्धरण

(1995). Butterworths patent litigation: Enforcing a global patent portfolio. Butterworths.

शिकागो स्टाइल उद्धरण

Butterworths Patent Litigation: Enforcing a Global Patent Portfolio. London: Butterworths, 1995.

एमएलए उद्धरण

Butterworths Patent Litigation: Enforcing a Global Patent Portfolio. Butterworths, 1995.