APA引文

Walker,Hugh D. (1971). Market power and price levels in the ethical drug industry. Indiana University Press.

Chicago Edition Citation

Walker,Hugh D. Market Power and Price Levels in the Ethical Drug Industry. London: Indiana University Press, 1971.

MLA引文

Walker,Hugh D. Market Power and Price Levels in the Ethical Drug Industry. Indiana University Press, 1971.

警告：這些引文格式不一定是100％准確.