Garey, M. R., & Johnson, D. S. (1979). Computers and intractability: A guide to the theory of NP-completeness. W. H. Freeman.
Citazione stile Chigago Style (17a edizione)Garey, Michael R., e David S. Johnson. Computers and Intractability: A Guide to the Theory of NP-completeness. New York ; Houndmills ; San Francisco: W. H. Freeman, 1979.
Citatione MLA (8a ed.)Garey, Michael R., e David S. Johnson. Computers and Intractability: A Guide to the Theory of NP-completeness. W. H. Freeman, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.