Sprankle, M. (1995). Problem solving and programming concepts (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Sprankle, Maureen. Problem Solving and Programming Concepts. 3rd ed. Englewood Cliffs, N.J.: Prentice Hall, 1995.
Lua MLA (8ú heag.)Sprankle, Maureen. Problem Solving and Programming Concepts. 3rd ed. Prentice Hall, 1995.
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