Aho, Alfred V.; Sethi, Ravi; Ullman, Jeffrey D. (2003). Compilers: principles, techniques, and tools. Addison-Wesley series in computer science ([Nachdr.], international ed utg.). Upper Saddle River, NJ: Prentice-Hall. ISBN978-0-201-10194-2.CS1-vedlikehold: Ekstra tekst (link)