एपीए उद्धरण

Ruberti,A. (1975). Variable structure systems with application to economics and biology: Proceedings of the second U.S - Italy seminar on variable structure systems, May 1974. Springer - Verlag.

शिकागो स्टाइल उद्धरण

Ruberti,A. Variable Structure Systems with Application to Economics and Biology: Proceedings of the Second U.S - Italy Seminar on Variable Structure Systems, May 1974. Berlin: Springer - Verlag, 1975.

एमएलए उद्धरण

Ruberti,A. Variable Structure Systems with Application to Economics and Biology: Proceedings of the Second U.S - Italy Seminar on Variable Structure Systems, May 1974. Springer - Verlag, 1975.