Παραπομπή APA

Warmer, J. B., & Kleppe, A. G. (1999). The object constraint language: Precise modeling with UML. Reading: Addison-Wesley.

Παραπομπή Chicago Style

Warmer, Jos B., and Annekke G. Kleppe. The Object Constraint Language: Precise Modeling With UML. Reading: Addison-Wesley, 1999.

Παραπομπή MLA

Warmer, Jos B., and Annekke G. Kleppe. The Object Constraint Language: Precise Modeling With UML. Reading: Addison-Wesley, 1999.

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