Gyasi Obeng, S. West African Languages in Contact with European Languages: Samuel Gyasi Obeng. Africa meets Europe : language contact in West Africa.(2004).
Cita Chicago (17th ed.)Gyasi Obeng, Samuel. "West African Languages in Contact with European Languages: Samuel Gyasi Obeng." Africa Meets Europe : Language Contact in West Africa.(2004) .
Cita MLA (8th ed.)Gyasi Obeng, Samuel. "West African Languages in Contact with European Languages: Samuel Gyasi Obeng." Africa Meets Europe : Language Contact in West Africa.(2004), .
Atenció: Aquestes cites poden no estar 100% correctes.