Green, R. H., & Seidman, A. (1968). Unity or poverty?: The economics of Pan-Africanism. Penguin.
Dyfyniad Arddull ChicagoGreen, Reginald Herbold, and Ann Seidman. Unity or Poverty?: The Economics of Pan-Africanism. Baltimore: Penguin, 1968.
Dyfyniad MLAGreen, Reginald Herbold, and Ann Seidman. Unity or Poverty?: The Economics of Pan-Africanism. Penguin, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.