Cita APA (7th ed.)

Christofides, N. (1979). Combinatorial optimization. Wiley.

Cita Chicago (17th ed.)

Christofides, Nicos. Combinatorial Optimization. Chichester: Wiley, 1979.

Cita MLA (9th ed.)

Christofides, Nicos. Combinatorial Optimization. Wiley, 1979.