Bogart, K. P. (1990). Introductory Combinatorics. New York: Harcourt Brace Jovanovich.
Trích dẫn kiểu ChicagoBogart, Kenneth P. Introductory Combinatorics. New York: Harcourt Brace Jovanovich, 1990.
Deismireacht MLABogart, Kenneth P. Introductory Combinatorics. New York: Harcourt Brace Jovanovich, 1990.
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