APA-viite (7. p.)
Edwards, P. (1985). Systems analysis, design, and development with structured concepts. Holt, Rinehart, and Winston.
Chicago-viite (17. p.)
Edwards, Perry. Systems Analysis, Design, and Development with Structured Concepts. New York: Holt, Rinehart, and Winston, 1985.
MLA-viite (9. p.)
Edwards, Perry. Systems Analysis, Design, and Development with Structured Concepts. Holt, Rinehart, and Winston, 1985.
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