Graph theory and combinatorics Manila & Department of Science and Technology. (1991). Graph theory and combinatorics: Workshop notes, Manila, 1991. [s.n.].
Chicago-referens (17:e uppl.)Graph theory and combinatorics Manila och Department of Science and Technology. Graph Theory and Combinatorics: Workshop Notes, Manila, 1991. Manila: [s.n.], 1991.
MLA-referens (9:e uppl.)Graph theory and combinatorics Manila och Department of Science and Technology. Graph Theory and Combinatorics: Workshop Notes, Manila, 1991. [s.n.], 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.