Cita APA (7a ed.)

Echu, G., & Obeng, S. G. (2004). Africa meets Europe: Language contact in West Africa. Nova Science Publ..

Cita Chicago Style (17a ed.)

Echu, George, y Samuel Gyasi Obeng. Africa Meets Europe: Language Contact in West Africa. New York: Nova Science Publ., 2004.

Cita MLA (8a ed.)

Echu, George, y Samuel Gyasi Obeng. Africa Meets Europe: Language Contact in West Africa. Nova Science Publ., 2004.