International Symposium "Computational Intelligence 90", Association for Computing Machinery Italian Chapter, Cercone, N., Gardin, F., & Valle, G. (1991). Computational intelligence, III: Proceedings of the International Symposium "Computational Intelligence 90", Milan, Italy, 24-28 September, 1990. North-Holland : Distributors for the U.S.A. and Canada, Elsevier Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Symposium "Computational Intelligence 90", Association for Computing Machinery Italian Chapter, Nick Cercone, Francesco Gardin, και Giorgio Valle. Computational Intelligence, III: Proceedings of the International Symposium "Computational Intelligence 90", Milan, Italy, 24-28 September, 1990. Amsterdam ; New York, N.Y., U.S.A.: North-Holland : Distributors for the U.S.A. and Canada, Elsevier Science, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)International Symposium "Computational Intelligence 90", et al. Computational Intelligence, III: Proceedings of the International Symposium "Computational Intelligence 90", Milan, Italy, 24-28 September, 1990. North-Holland : Distributors for the U.S.A. and Canada, Elsevier Science, 1991.