Sarpong, D. B. (1998). Ghana Integrated to the World Economy: Focus on Ghana-UK-Germany Trade Linkage Model.
Cita Chicago (17th ed.)Sarpong, Daniel Bruce. Ghana Integrated to the World Economy: Focus on Ghana-UK-Germany Trade Linkage Model. Hamburg, 1998.
Cita MLA (8th ed.)Sarpong, Daniel Bruce. Ghana Integrated to the World Economy: Focus on Ghana-UK-Germany Trade Linkage Model. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.