Gardiner, A. (1999). Mathematical puzzling. Dover.
Chicago Edition CitationGardiner, A. Mathematical Puzzling. Mineola, N.Y.: Dover, 1999.
Deismireacht MLAGardiner, A. Mathematical Puzzling. Dover, 1999.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.