Dudeney, H. E. (1958). Amusements in mathematics: Henry Ernest Dudeney. Dover Publications.
Dyfyniad Arddull ChicagoDudeney, Henry Ernest. Amusements in Mathematics: Henry Ernest Dudeney. New York: Dover Publications, 1958.
Dyfyniad MLADudeney, Henry Ernest. Amusements in Mathematics: Henry Ernest Dudeney. Dover Publications, 1958.
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