Dudley, U. (1997). Numerology, or, What Pythagoras wrought. Washington, DC: Mathematical Association of America.
Chicago Style citaatDudley, Underwood. Numerology, Or, What Pythagoras Wrought. Washington, DC: Mathematical Association of America, 1997.
MLA citatieDudley, Underwood. Numerology, Or, What Pythagoras Wrought. Washington, DC: Mathematical Association of America, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.