Downs, E., Clare, P., & Coe, I. (1992). Structured systems analysis and design method: Application and context (2nd ed.). Prentice Hall.
Chicago Style aipamenaDowns, Ed, Peter Clare, and Ian Coe. Structured Systems Analysis and Design Method: Application and Context. 2nd ed. New York: Prentice Hall, 1992.
MLA aipamenaDowns, Ed, et al. Structured Systems Analysis and Design Method: Application and Context. 2nd ed. Prentice Hall, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.