Southall, R. (1975). Cadbury on the Gold Coast, 1907-1938: The dilemma of the "model firm" in a colonial economy. University of Birminghaml.
Chicago-referens (17:e uppl.)Southall, Roger. Cadbury on the Gold Coast, 1907-1938: The Dilemma of the "Model Firm" in a Colonial Economy. England: University of Birminghaml, 1975.
MLA-referens (8:e uppl.)Southall, Roger. Cadbury on the Gold Coast, 1907-1938: The Dilemma of the "Model Firm" in a Colonial Economy. University of Birminghaml, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.