Petkovic, M. S. (2009). Famous puzzles of great mathematicians. AMS.
Chicago Edition CitationPetkovic, Miodrag S. Famous Puzzles of Great Mathematicians. AMS, 2009.
Cita MLAPetkovic, Miodrag S. Famous Puzzles of Great Mathematicians. AMS, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.