Engwall, L. (1973). Models of industrial structure. Lexington Books.
芝加哥风格引文Engwall, Lars. Models of Industrial Structure. Lexington, Mass.: Lexington Books, 1973.
MLA引文Engwall, Lars. Models of Industrial Structure. Lexington Books, 1973.
警告：这些引文格式不一定是100％准确.