Zack-Williams, A. (1995). Tributors, supporters and merchant capital: Mining and underdevelopment in Sierra Leone. Aldershot: Avebury.
Παραπομπή Chicago StyleZack-Williams, Alfred. Tributors, Supporters and Merchant Capital: Mining and Underdevelopment in Sierra Leone. Aldershot: Avebury, 1995.
Παραπομπή MLAZack-Williams, Alfred. Tributors, Supporters and Merchant Capital: Mining and Underdevelopment in Sierra Leone. Aldershot: Avebury, 1995.
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