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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDCFS 2011 Limburg, Germany, SpringerLink (Online service), Markus Holzer, Martin Kutrib, और Giovanni Pighizzini. Descriptional Complexity of Formal Systems: 13th International Workshop, DCFS 2011, Gießen/Limburg, Germany, July 25-27, 2011. Proceedings. Berlin, Heidelberg: Springer, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDCFS 2011 Limburg, Germany, et al. Descriptional Complexity of Formal Systems: 13th International Workshop, DCFS 2011, Gießen/Limburg, Germany, July 25-27, 2011. Proceedings. Springer, 2011.