Sloane Paul, MacHale Des, & Miller, M. (1997). Perplexing lateral thinking puzzles. Ms Victoria Reio.
Tohutoru Kātū Chicago (17th ed.)Sloane Paul, MacHale Des, me Myron Miller. Perplexing Lateral Thinking Puzzles. New York: Ms Victoria Reio, 1997.
Tohutoro MLA (9th ed.)Sloane Paul, et al. Perplexing Lateral Thinking Puzzles. Ms Victoria Reio, 1997.
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