Smullyan, R. M. (1993). Recursion theory for metamathematics. Oxford University Press.
芝加哥风格引文Smullyan, Raymond M. Recursion Theory for Metamathematics. New York: Oxford University Press, 1993.
MLA引文Smullyan, Raymond M. Recursion Theory for Metamathematics. Oxford University Press, 1993.
警告：这些引文格式不一定是100％准确.