Koffman, E. B. (1992). Pascal: Problem solving and program design (4th ed.). Addison-Wesley.
Chicago-viite (17. p.)Koffman, Elliot B. Pascal: Problem Solving and Program Design. 4th ed. Reading, Mass: Addison-Wesley, 1992.
MLA-viite (9. p.)Koffman, Elliot B. Pascal: Problem Solving and Program Design. 4th ed. Addison-Wesley, 1992.
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