Παραπομπή APA
Estall, R. C., & Buchanan, O. R. (1980). Industrial activity and economic geography: A study of the forces behind the geographical location of productive activity in manufacturing industry (4th ed.). London: Hutchinson.
Παραπομπή Chicago StyleEstall, R. C., and Orolvie R. Buchanan. Industrial Activity and Economic Geography: A Study of the Forces Behind the Geographical Location of Productive Activity in Manufacturing Industry. 4th ed. London: Hutchinson, 1980.
Παραπομπή MLAEstall, R. C., and Orolvie R. Buchanan. Industrial Activity and Economic Geography: A Study of the Forces Behind the Geographical Location of Productive Activity in Manufacturing Industry. 4th ed. London: Hutchinson, 1980.
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