Walker,Hugh D. (1971). Market power and price levels in the ethical drug industry. Indiana University Press.
Citación estilo ChicagoWalker,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.
Precaución: Estas citas no son 100% exactas.