Citazione Stile APA (7a Edizione)

Edwards, P. (1985). Systems analysis, design, and development with structured concepts. Holt, Rinehart, and Winston.

Citazione stile Chigago Style (17a edizione)

Edwards, Perry. Systems Analysis, Design, and Development with Structured Concepts. New York: Holt, Rinehart, and Winston, 1985.

Citatione MLA (9a ed.)

Edwards, Perry. Systems Analysis, Design, and Development with Structured Concepts. Holt, Rinehart, and Winston, 1985.