Warmer, J., Ivner, A., & Kleppe, A. (2003). The object constraint language: Getting your models ready for MDA (2nd ed.). Addison-Wesley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarmer, Jos, Anders Ivner, और Anneke Kleppe. The Object Constraint Language: Getting Your Models Ready for MDA. 2nd ed. Boston, MA: Addison-Wesley, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWarmer, Jos, et al. The Object Constraint Language: Getting Your Models Ready for MDA. 2nd ed. Addison-Wesley, 2003.
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