United economic commission for Europe. (2009). A common regulator language for trade and development. United Nations.
Чикаго маягийн жагсаалтUnited economic commission for Europe. A Common Regulator Language for Trade and Development. New York: United Nations, 2009.
MLA ишлэлUnited economic commission for Europe. A Common Regulator Language for Trade and Development. United Nations, 2009.
Warning: These citations may not always be 100% accurate.