Doxey, G. V. (1961). The industrial colour bar in South Africa. New York: Oxford University Press.
Trích dẫn kiểu ChicagoDoxey, G. V. The Industrial Colour Bar in South Africa. New York: Oxford University Press, 1961.
Deismireacht MLADoxey, G. V. The Industrial Colour Bar in South Africa. New York: Oxford University Press, 1961.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.