APA (7th ed.) Zitazioa
ebrary, Inc, & Roper, A. T. (2011). Forecasting and management of technology (2nd ed.). Wiley.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta A. T. Roper. Forecasting and Management of Technology. 2nd ed. Hoboken, N.J.: Wiley, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta A. T. Roper. Forecasting and Management of Technology. 2nd ed. Wiley, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.