http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Central Intelligence Agency, Directorate of Intelligence.
Microfiche. <1983-> Washington, D.C. : Supt. of Docs., U.S. G.P.O. microfiches : negative.
China, international trade (Washington, D.C. : 1980)