Alexanderson, G. L. (2000). Random walks of George Polya. Mathematical Association of America.
Dyfyniad Arddull ChicagoAlexanderson, Gerald L. Random Walks of George Polya. Washington: Mathematical Association of America, 2000.
Dyfyniad MLAAlexanderson, Gerald L. Random Walks of George Polya. Mathematical Association of America, 2000.
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