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.
استشهاد بنمط شيكاغوRuberti,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.
MLA استشهادRuberti,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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.