एपीए उद्धरण

Stobbs, G. A. (2002). Business method patents. Aspen publishers.

शिकागो स्टाइल उद्धरण

Stobbs, Gregory A. Business Method Patents. New York: Aspen publishers, 2002.

एमएलए उद्धरण

Stobbs, Gregory A. Business Method Patents. Aspen publishers, 2002.