APA aipamena

(1991). Forecasting And Management Of Technology Alan L.porter .. Et. All. John Wiley & Sons.

Chicago Style aipamena

Forecasting And Management Of Technology Alan L.porter .. Et. All. John Wiley & Sons, 1991.

MLA aipamena

Forecasting And Management Of Technology Alan L.porter .. Et. All. John Wiley & Sons, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.