Rostow, W. W. (1980). Why the poor get richer and the rich slow down: Essays in the Marshallian long period. University of Texas Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Rostow, W. W. Why the Poor Get Richer and the Rich Slow Down: Essays in the Marshallian Long Period. Austin: University of Texas Press, 1980.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Rostow, W. W. Why the Poor Get Richer and the Rich Slow Down: Essays in the Marshallian Long Period. University of Texas Press, 1980.