National Research Council (U.S.). Committee on Analyzing the U.S. Content of Imports and the Foreign Content of Exports & ebrary, Inc. (2006). Analyzing the U.S. content of imports and the foreign content of exports. National Academies Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Research Council (U.S.). Committee on Analyzing the U.S. Content of Imports and the Foreign Content of Exports ба Inc ebrary. Analyzing the U.S. Content of Imports and the Foreign Content of Exports. Washington, D.C.: National Academies Press, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Research Council (U.S.). Committee on Analyzing the U.S. Content of Imports and the Foreign Content of Exports ба Inc ebrary. Analyzing the U.S. Content of Imports and the Foreign Content of Exports. National Academies Press, 2006.