SpringerLink (Online service), Bjørner, D., Broy, M., & Zamulin, A. (2001). Perspectives of System Informatics: 4th International Andrei Ershov Memorial Conference, PSI 2001, Akademgorodok, Novosibirsk, Russia, July 2-6, 2001, Revised Papers (1st ed. 2001.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-45575-2
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Dines Bjørner, Manfred Broy, και Alexandre Zamulin. Perspectives of System Informatics: 4th International Andrei Ershov Memorial Conference, PSI 2001, Akademgorodok, Novosibirsk, Russia, July 2-6, 2001, Revised Papers. 1st ed. 2001. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-45575-2.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Perspectives of System Informatics: 4th International Andrei Ershov Memorial Conference, PSI 2001, Akademgorodok, Novosibirsk, Russia, July 2-6, 2001, Revised Papers. 1st ed. 2001. Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-45575-2.
