Kangassalo, H. e. (1993). Information modelling and knowledge bases IV: Concepts, methodos and systems (1st edition.). IOS Press.
Chicago Style (17th ed.) CitationKangassalo, Hannu editor. Information Modelling and Knowledge Bases IV: Concepts, Methodos and Systems. 1st edition. Netherlands: IOS Press, 1993.
MLA (9th ed.) CitationKangassalo, Hannu editor. Information Modelling and Knowledge Bases IV: Concepts, Methodos and Systems. 1st edition. IOS Press, 1993.
Warning: These citations may not always be 100% accurate.