Cita APA (7a ed.)
Pedro Barahona, J. J. A. Progress in Artificial Intelligence: 9th Portuguese Conference on Artificial Intelligence, EPIA '99, Evora, Portugal, September 21-24, 1999, Proceedings. Springer.
Cita estilo Chicago (17a ed.)
Pedro Barahona, José J. Alferes. Progress in Artificial Intelligence: 9th Portuguese Conference on Artificial Intelligence, EPIA '99, Evora, Portugal, September 21-24, 1999, Proceedings. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
Pedro Barahona, José J. Alferes. Progress in Artificial Intelligence: 9th Portuguese Conference on Artificial Intelligence, EPIA '99, Evora, Portugal, September 21-24, 1999, Proceedings. Springer.
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