Cutland, N. (1980). Computability: An introduction to recursive function theory. Cambridge University Press.
Chicago-referens (17:e uppl.)Cutland, Nigel. Computability: An Introduction to Recursive Function Theory. Cambridge, [Eng.], New York: Cambridge University Press, 1980.
MLA-referens (9:e uppl.)Cutland, Nigel. Computability: An Introduction to Recursive Function Theory. Cambridge University Press, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.