Tohutoro APA (7th ed.)
Witold Abramowicz. Business Information Systems: 12th International Conference, BIS 2009, Poznan, Poland, April 27-29, 2009, Proceedings. Springer.
Tohutoru Kātū Chicago (17th ed.)
Witold Abramowicz. Business Information Systems: 12th International Conference, BIS 2009, Poznan, Poland, April 27-29, 2009, Proceedings. Berlín, Alemania: Springer.
Tohutoro MLA (9th ed.)
Witold Abramowicz. Business Information Systems: 12th International Conference, BIS 2009, Poznan, Poland, April 27-29, 2009, Proceedings. Springer.
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