Hale, M. (2003). Essentials of mathematics: Introduction to theory, proof, and the professional culture. Mathematical Association of America.
Chicago-viite (17. p.)Hale, Margie. Essentials of Mathematics: Introduction to Theory, Proof, and the Professional Culture. [Washington, D.C.]: Mathematical Association of America, 2003.
MLA-viite (9. p.)Hale, Margie. Essentials of Mathematics: Introduction to Theory, Proof, and the Professional Culture. Mathematical Association of America, 2003.
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