Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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