APA-viite (7. p.)
International Conference on Semigroups and Formal Languages Lisbon, Portugal, Universidade de Lisboa. Centro de Algebra, Centro Internacional de Matemática, ebrary, Inc, & André, J. M. (2007). Semigroups and formal languages: Proceedings of the International Conference, in honor of the 65th birthday of Donald B. McAlister, Centro de Álgebra da Universidade de Lisboa (CAUL), Portugal 12-15 July 2005, organised with special support from Centro Internacional de Matemática (CIM). World Scientific.
Chicago-viite (17. p.)
International Conference on Semigroups and Formal Languages Lisbon, Portugal, Universidade de Lisboa. Centro de Algebra, Centro Internacional de Matemática, Inc ebrary, ja Jorge M. André. Semigroups and Formal Languages: Proceedings of the International Conference, in Honor of the 65th Birthday of Donald B. McAlister, Centro De Álgebra Da Universidade De Lisboa (CAUL), Portugal 12-15 July 2005, Organised with Special Support from Centro Internacional De Matemática (CIM). Singapore ; Hackensack, NJ: World Scientific, 2007.
MLA-viite (9. p.)
International Conference on Semigroups and Formal Languages Lisbon, Portugal, et al. Semigroups and Formal Languages: Proceedings of the International Conference, in Honor of the 65th Birthday of Donald B. McAlister, Centro De Álgebra Da Universidade De Lisboa (CAUL), Portugal 12-15 July 2005, Organised with Special Support from Centro Internacional De Matemática (CIM). World Scientific, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.