Smullyan, R. M. (1993). Recursion theory for metamathematics. Oxford University Press.
Chicago Style aipamenaSmullyan, Raymond M. Recursion Theory for Metamathematics. New York: Oxford University Press, 1993.
MLA aipamenaSmullyan, Raymond M. Recursion Theory for Metamathematics. Oxford University Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.