Beiler, A. H. (1964). Recreations in the Theory of Numbers: The queen of mathematics entertains. Dover Publications.
Citazione stile Chigago Style (17a edizione)Beiler, Albert H. Recreations in the Theory of Numbers: The Queen of Mathematics Entertains. New York: Dover Publications, 1964.
Citatione MLA (9a ed.)Beiler, Albert H. Recreations in the Theory of Numbers: The Queen of Mathematics Entertains. Dover Publications, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.