Oliver, R. (1991). The African experience. Harper Collins.
Dyfyniad Arddull ChicagoOliver, Roland. The African Experience. New York: Harper Collins, 1991.
Dyfyniad MLAOliver, Roland. The African Experience. Harper Collins, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.