Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.