Sprankle, M. (1998). Problem solving and programming concepts (4th ed.). Prentice-Hall.
Chicago-viite (17. p.)Sprankle, Maureen. Problem Solving and Programming Concepts. 4th ed. Upper Saddle River, N.J: Prentice-Hall, 1998.
MLA-viite (9. p.)Sprankle, Maureen. Problem Solving and Programming Concepts. 4th ed. Prentice-Hall, 1998.
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