Παραπομπή APA

Garey, M. R., & Johnson, D. S. (1979). Computers and intractability: A guide to the theory of NP-completeness. San Francisco: W. H. Freeman.

Παραπομπή Chicago Style

Garey, Michael R., and David S. Johnson. Computers and Intractability: A Guide to the Theory of NP-completeness. San Francisco: W. H. Freeman, 1979.

Παραπομπή MLA

Garey, Michael R., and David S. Johnson. Computers and Intractability: A Guide to the Theory of NP-completeness. San Francisco: W. H. Freeman, 1979.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.