Ottenberg, S. (1968). Double descent in an African society: The Afikpo village-group. University of Washington Press.
Dyfyniad Arddull ChicagoOttenberg, Simon. Double Descent in an African Society: The Afikpo Village-group. Seattle: University of Washington Press, 1968.
Dyfyniad MLAOttenberg, Simon. Double Descent in an African Society: The Afikpo Village-group. University of Washington Press, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.