FLEMING, W. (1988). College Algebra A Problem Solving Approach Walter Fleming, Dale Varberg. Prentice-Hall.
Chicago-viite (17. p.)FLEMING, Walter. College Algebra A Problem Solving Approach Walter Fleming, Dale Varberg. Prentice-Hall, 1988.
MLA-viite (8. p.)FLEMING, Walter. College Algebra A Problem Solving Approach Walter Fleming, Dale Varberg. Prentice-Hall, 1988.
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