Summers, G. J. (1968). New puzzles in logical deduction. Dover publication.
Chicago Edition CitationSummers, G. J. New Puzzles in Logical Deduction. New York: Dover publication, 1968.
MLA Edition CitationSummers, G. J. New Puzzles in Logical Deduction. Dover publication, 1968.
Warning: These citations may not always be 100% accurate.