Ross, R. G. (2003). Principles of the business rule approach. Addison-Wesley.
Chicago-čujuhus (17. p.)Ross, Ronald G. Principles of the Business Rule Approach. Boston: Addison-Wesley, 2003.
MLA-čujuhus (9. p.)Ross, Ronald G. Principles of the Business Rule Approach. Addison-Wesley, 2003.
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