Sacks, G. E. (1966). Degrees of unsolvability (2a. ed.). Princeton University.
Chicago Style (17th ed.) CitationSacks, Gerald E. Degrees of Unsolvability. 2a. ed. Princeton: Princeton University, 1966.
MLA (9th ed.) CitationSacks, Gerald E. Degrees of Unsolvability. 2a. ed. Princeton University, 1966.
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