Heywood, A. (1967). A First Program in Mathematics. Belmont, California: Dickenson Pub. Co..
Trích dẫn kiểu ChicagoHeywood, Arthur. A First Program in Mathematics. Belmont, California: Dickenson Pub. Co., 1967.
Deismireacht MLAHeywood, Arthur. A First Program in Mathematics. Belmont, California: Dickenson Pub. Co., 1967.
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