Summers, G. J. (1986). The great book of mind teasers & mind puzzlers. Sterling.
Chicagoスタイル(17版)引用形式Summers, George J. The Great Book of Mind Teasers & Mind Puzzlers. New York: Sterling, 1986.
MLA(9版)引用形式Summers, George J. The Great Book of Mind Teasers & Mind Puzzlers. Sterling, 1986.
警告: この引用は必ずしも正確ではありません.