Sloane Paul, MacHale Des, & Miller, M. (1997). Perplexing lateral thinking puzzles. Ms Victoria Reio.
Lua i Stíl Chicago (17ú heag.)Sloane Paul, MacHale Des, agus Myron Miller. Perplexing Lateral Thinking Puzzles. New York: Ms Victoria Reio, 1997.
Lua MLA (9ú heag.)Sloane Paul, et al. Perplexing Lateral Thinking Puzzles. Ms Victoria Reio, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.