Yourdon, E. (1989). Managing the structured techniques (4th ed.). Prentice Hall.
Chicago-viite (17. p.)Yourdon, Edward. Managing the Structured Techniques. 4th ed. Englewood Cliffs, N.J.: Prentice Hall, 1989.
MLA-viite (9. p.)Yourdon, Edward. Managing the Structured Techniques. 4th ed. Prentice Hall, 1989.
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