Bascom, W. (1959). The fall of old Oyo or Katanga.
Cita Chicago (17th ed.)Bascom, William. The Fall of Old Oyo or Katanga. 1959.
Cita MLA (8th ed.)Bascom, William. The Fall of Old Oyo or Katanga. 1959.
Atenció: Aquestes cites poden no estar 100% correctes.