Demeny, P. G. (1981). The North-South income gap: A demographic perspective. Ajit Bhagat Memorial Trust.
Chicago Style (17th ed.) CitationDemeny, Paul George. The North-South Income Gap: A Demographic Perspective. Ahmedabad: Ajit Bhagat Memorial Trust, 1981.
MLA引文Demeny, Paul George. The North-South Income Gap: A Demographic Perspective. Ajit Bhagat Memorial Trust, 1981.
警告:這些引文格式不一定是100%准確.