Yoshigahara, N. (2004). Puzzles 101: A puzzlemaster's challenge. A K Peters.
Lua i Stíl Chicago (17ú heag.)Yoshigahara, Nobuyuki. Puzzles 101: A Puzzlemaster's Challenge. Natick, MA: A K Peters, 2004.
Lua MLA (9ú heag.)Yoshigahara, Nobuyuki. Puzzles 101: A Puzzlemaster's Challenge. A K Peters, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.