SpringerLink (Online service), Plasil, F., & Jeffery, K. G. (1997). SOFSEM '97: Theory and Practice of Informatics: 24th Seminar on Current Trends in Theory and Practice of Informatics, Milovy, Czech Republic, November 22-29, 1997. Proceedings (1st ed. 1997.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-63774-5
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Frantisek Plasil, και Keith G. Jeffery. SOFSEM '97: Theory and Practice of Informatics: 24th Seminar on Current Trends in Theory and Practice of Informatics, Milovy, Czech Republic, November 22-29, 1997. Proceedings. 1st ed. 1997. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63774-5.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. SOFSEM '97: Theory and Practice of Informatics: 24th Seminar on Current Trends in Theory and Practice of Informatics, Milovy, Czech Republic, November 22-29, 1997. Proceedings. 1st ed. 1997. Springer Berlin Heidelberg : Imprint: Springer, 1997. https://doi.org/10.1007/3-540-63774-5.
