Sowa, J. F. (2000). Knowledge representation: Logical, philosophical, and computational foundations. Brook/Cole.
Chicago-referens (17:e uppl.)Sowa, John F. Knowledge Representation: Logical, Philosophical, and Computational Foundations. Pacific Grove, Calif: Brook/Cole, 2000.
MLA-referens (9:e uppl.)Sowa, John F. Knowledge Representation: Logical, Philosophical, and Computational Foundations. Brook/Cole, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.