APA-referens (7:e uppl.)
Arnold Beckmann, C. D. Logic and Theory of Algorithms: 4th Conference on Computability in Europe, CiE 2008 Athens, Greece, June 15-20, 2008, Proceedings. Springer.
Chicago-referens (17:e uppl.)
Arnold Beckmann, Costas Dimitracopoulos. Logic and Theory of Algorithms: 4th Conference on Computability in Europe, CiE 2008 Athens, Greece, June 15-20, 2008, Proceedings. Berlín, Alemania: Springer.
MLA-referens (9:e uppl.)
Arnold Beckmann, Costas Dimitracopoulos. Logic and Theory of Algorithms: 4th Conference on Computability in Europe, CiE 2008 Athens, Greece, June 15-20, 2008, Proceedings. Springer.
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