Cita APA (7th ed.)

Rao, S. B. (1981). Combinatorics and graph theory. Springer-Verlag.

Cita Chicago (17th ed.)

Rao, S. B. Combinatorics and Graph Theory. Berlín: Springer-Verlag, 1981.

Cita MLA (9th ed.)

Rao, S. B. Combinatorics and Graph Theory. Springer-Verlag, 1981.