Tomescu, I. (1985). Problems in combinatorics and graph theory. John Wiley.
Cita Chicago Style (17a ed.)Tomescu, Ioan. Problems in Combinatorics and Graph Theory. Nueva York: John Wiley, 1985.
Cita MLA (9a ed.)Tomescu, Ioan. Problems in Combinatorics and Graph Theory. John Wiley, 1985.
Precaución: Estas citas no son 100% exactas.