International Workshop on Graph-Theoretic Concepts in Computer Science :Ascona, Suisse, Widmayer, P., Neyer, G., & Eidenbenz, S. Graph-theoretic concepts in computer science: 25th International workshop, WG'99, Ascona, Switzerland, June 17-19, 1999 : proceedings. Springer.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInternational Workshop on Graph-Theoretic Concepts in Computer Science :Ascona, Suisse, Peter Widmayer, Gabriele Neyer, এবং Stephan Eidenbenz. Graph-theoretic Concepts in Computer Science: 25th International Workshop, WG'99, Ascona, Switzerland, June 17-19, 1999 : Proceedings. Berlin [etc.]: Springer.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিInternational Workshop on Graph-Theoretic Concepts in Computer Science :Ascona, Suisse, et al. Graph-theoretic Concepts in Computer Science: 25th International Workshop, WG'99, Ascona, Switzerland, June 17-19, 1999 : Proceedings. Springer.