United Nations Conference On Trade And Devolopment. (1992). Handbook Of International Trade And Devolopment Statistics 1991. United Nations.
Чикаго маягийн жагсаалтUnited Nations Conference On Trade And Devolopment. Handbook Of International Trade And Devolopment Statistics 1991. New York: United Nations, 1992.
MLA ишлэлUnited Nations Conference On Trade And Devolopment. Handbook Of International Trade And Devolopment Statistics 1991. United Nations, 1992.
Warning: These citations may not always be 100% accurate.