Walker,Hugh D. (1971). Market power and price levels in the ethical drug industry. Indiana University Press.
Chicago Edition CitationWalker,Hugh D. Market Power and Price Levels in the Ethical Drug Industry. London: Indiana University Press, 1971.
Cita MLAWalker,Hugh D. Market Power and Price Levels in the Ethical Drug Industry. Indiana University Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.