SpringerLink (Online service), Widmayer, P., Neyer, G., & Eidenbenz, S. (1999). Graph-Theoretic Concepts in Computer Science: 25th International Workshop, WG'99, Ascona, Switzerland, June 17-19, 1999 Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-46784-X
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Peter Widmayer, Gabriele Neyer, και Stephan Eidenbenz. Graph-Theoretic Concepts in Computer Science: 25th International Workshop, WG'99, Ascona, Switzerland, June 17-19, 1999 Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-46784-X.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Graph-Theoretic Concepts in Computer Science: 25th International Workshop, WG'99, Ascona, Switzerland, June 17-19, 1999 Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/3-540-46784-X.
