Lie, C. L. (1985). Elements of Discrete Mathematics (4th ed.). McGrawHill.
Dyfyniad Arddull ChicagoLie, C L. Elements of Discrete Mathematics. 4th ed. New Delhi: McGrawHill, 1985.
Dyfyniad MLALie, C L. Elements of Discrete Mathematics. 4th ed. McGrawHill, 1985.
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