MATHEMATICS METHODS & HATFIELD, M. M. [. (2003). Mathematics methods for elementary and middle school teachers (Ed.4.). John Wiley and Sons.
Chicago-viite (17. p.)MATHEMATICS METHODS ja Mary M. [et.al] HATFIELD. Mathematics Methods for Elementary and Middle School Teachers. Ed.4. New York: John Wiley and Sons, 2003.
MLA-viite (9. p.)MATHEMATICS METHODS ja Mary M. [et.al] HATFIELD. Mathematics Methods for Elementary and Middle School Teachers. Ed.4. John Wiley and Sons, 2003.
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