UNCTAD. (2001). International investment instruments: A compendium. New York: UN.
Dyfyniad Arddull ChicagoUNCTAD. International Investment Instruments: A Compendium. New York: UN, 2001.
Dyfyniad MLAUNCTAD. International Investment Instruments: A Compendium. New York: UN, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.