Murray, T. (1977). Trade Preferences for developing countries. Macmillan.
Dyfyniad Arddull ChicagoMurray, Tracy. Trade Preferences for Developing Countries. London: Macmillan, 1977.
Dyfyniad MLAMurray, Tracy. Trade Preferences for Developing Countries. Macmillan, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.