Ajayi J.F.Ade. Tidy Michael. Topics In West African History / Adu Boahen With J.F. Ade Ajayi And Michael Tidy. - 2nd ed. - Burnt Mill Harlow Essex England : Longman Group 1986. - VI 202 P. : ILL. 23 CM. - 0 . ENG ISBN: 058258504X (Pbk)