Sacks,Gerald E. (1963). Degrees of Unsolvability (1963.). Princeton University Press.
Chicago Edition CitationSacks,Gerald E. Degrees of Unsolvability. 1963. New Jersey: Princeton University Press, 1963.
MLA Edition CitationSacks,Gerald E. Degrees of Unsolvability. 1963. Princeton University Press, 1963.
Warning: These citations may not always be 100% accurate.