Bello, I. (2009). Basic college mathematics: A real-world approach. New York: Prentice-Hall.
Παραπομπή Chicago StyleBello, Ignacio. Basic College Mathematics: A Real-world Approach. New York: Prentice-Hall, 2009.
Παραπομπή MLABello, Ignacio. Basic College Mathematics: A Real-world Approach. New York: Prentice-Hall, 2009.
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