Summers, G. J. (1968). New puzzles in logical deduction. Dover publication.
シカゴスタイル引用形Summers, G. J. New Puzzles in Logical Deduction. New York: Dover publication, 1968.
MLA引用形式Summers, G. J. New Puzzles in Logical Deduction. Dover publication, 1968.
警告: この引用は必ずしも正確ではありません.