APA aipamena

(2004). Semigroups and languages: Proceedings of the workshop Lisboa, Portugal 27-29 November 2002. New Jwrsey: World Scientific.

Chicago Style aipamena

Semigroups and Languages: Proceedings of the Workshop Lisboa, Portugal 27-29 November 2002. New Jwrsey: World Scientific, 2004.

MLA aipamena

Semigroups and Languages: Proceedings of the Workshop Lisboa, Portugal 27-29 November 2002. New Jwrsey: World Scientific, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.