Παραπομπή σε μορφή APA (7η εκδ.)

Sarpong, D. B. (1998). Ghana Integrated to the World Economy: Focus on Ghana-UK-Germany Trade Linkage Model.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sarpong, Daniel Bruce. Ghana Integrated to the World Economy: Focus on Ghana-UK-Germany Trade Linkage Model. Hamburg, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sarpong, Daniel Bruce. Ghana Integrated to the World Economy: Focus on Ghana-UK-Germany Trade Linkage Model. 1998.