(1974). Graphs and combinatorics: Proceedings. Springer Verlag.
Lua i Stíl Chicago (17ú heag.)Graphs and Combinatorics: Proceedings. New York: Springer Verlag, 1974.
Lua MLA (9ú heag.)Graphs and Combinatorics: Proceedings. Springer Verlag, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.