APA-čujuhus (7. p.)
Liu, C. L. (2002). Elements of discrete mathematics. McGraw-Hill.
Chicago-čujuhus (17. p.)
Liu, C. L. Elements of Discrete Mathematics. New Delhi: McGraw-Hill, 2002.
MLA-čujuhus (9. p.)
Liu, C. L. Elements of Discrete Mathematics. McGraw-Hill, 2002.
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