APA-referens (7:e uppl.)

Abraham, J. A study of the viability of copper mining companies in the light of adverse developments in the external sector.

Chicago-referens (17:e uppl.)

Abraham, Jocelyn. A Study of the Viability of Copper Mining Companies in the Light of Adverse Developments in the External Sector.

MLA-referens (9:e uppl.)

Abraham, Jocelyn. A Study of the Viability of Copper Mining Companies in the Light of Adverse Developments in the External Sector.

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