(1969). Modern elementary mathematics: An intro-duction to its structure and meaning. Prentice-Hall.
Chicago-viite (17. p.)Modern Elementary Mathematics: An Intro-duction to Its Structure and Meaning. Englewood Cliffs: Prentice-Hall, 1969.
MLA-viite (9. p.)Modern Elementary Mathematics: An Intro-duction to Its Structure and Meaning. Prentice-Hall, 1969.
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