Estall, R. (1966). Industrial activity and economic geography: A study of the forces behind the geographicallocation of productive activity in manufactur (6th ed.). Hutchinson.
Cita Chicago (17th ed.)Estall, R.C. Industrial Activity and Economic Geography: A Study of the Forces Behind the Geographicallocation of Productive Activity in Manufactur. 6th ed. London: Hutchinson, 1966.
Cita MLA (9th ed.)Estall, R.C. Industrial Activity and Economic Geography: A Study of the Forces Behind the Geographicallocation of Productive Activity in Manufactur. 6th ed. Hutchinson, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.