Fridén, L. (1972). Instability in the international steel market: A study of import and export fluctuations. Stockholm: Beckmans.
Trích dẫn kiểu ChicagoFridén, Lennart. Instability in the International Steel Market: A Study of Import and Export Fluctuations. Stockholm: Beckmans, 1972.
Deismireacht MLAFridén, Lennart. Instability in the International Steel Market: A Study of Import and Export Fluctuations. Stockholm: Beckmans, 1972.
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