Tohutoro APA (7th ed.)
Salkind, C. T. (1966). The contest problem book. Mathematical Association of America.
Tohutoru Kātū Chicago (17th ed.)
Salkind, Charles T. The Contest Problem Book. Washington, D.C.: Mathematical Association of America, 1966.
Tohutoro MLA (9th ed.)
Salkind, Charles T. The Contest Problem Book. Mathematical Association of America, 1966.
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