APA-referens (7:e uppl.)
Edwards, P. (1985). Systems analysis, design, and development with structured concepts. Holt, Rinehart, and Winston.
Chicago-referens (17:e uppl.)
Edwards, Perry. Systems Analysis, Design, and Development with Structured Concepts. New York: Holt, Rinehart, and Winston, 1985.
MLA-referens (9:e uppl.)
Edwards, Perry. Systems Analysis, Design, and Development with Structured Concepts. Holt, Rinehart, and Winston, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.