Walker,Hugh D. (1971). Market power and price levels in the ethical drug industry. Indiana University Press.
シカゴスタイル引用形Walker,Hugh D. Market Power and Price Levels in the Ethical Drug Industry. London: Indiana University Press, 1971.
MLA引用形式Walker,Hugh D. Market Power and Price Levels in the Ethical Drug Industry. Indiana University Press, 1971.
警告: この引用は必ずしも正確ではありません.