Lua APA (7ú heag.)

SpringeringerLink (Online service), Abramowicz, W., Macaiaszek, L., & Węcel, K. (2011). Business Information Systems Workshops: BIS 2011 International Workshops and BPSC International Conference, Poznan, Poland, June 15-17, 2011. Revised Papers. Springer Berlin Heidelberg.

Lua i Stíl Chicago (17ú heag.)

SpringeringerLink (Online service), Witold Abramowicz, Leszek Macaiaszek, agus Krzysztof Węcel. Business Information Systems Workshops: BIS 2011 International Workshops and BPSC International Conference, Poznan, Poland, June 15-17, 2011. Revised Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011.

Lua MLA (9ú heag.)

SpringeringerLink (Online service), et al. Business Information Systems Workshops: BIS 2011 International Workshops and BPSC International Conference, Poznan, Poland, June 15-17, 2011. Revised Papers. Springer Berlin Heidelberg, 2011.

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