Gardner, M. (1994). My best mathematical and logic puzzles. Dover.
Cita Chicago (17th ed.)Gardner, Martin. My Best Mathematical and Logic Puzzles. New York: Dover, 1994.
Cita MLA (9th ed.)Gardner, Martin. My Best Mathematical and Logic Puzzles. Dover, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.