Não informado. Foreign trade reports. U.S. Department of Commerce, Bureau of the Census.
Chicago-Zitierstil (17. Ausg.)Não informado. Foreign Trade Reports. Washington: U.S. Department of Commerce, Bureau of the Census.
MLA-Zitierstil (8. Ausg.)Não informado. Foreign Trade Reports. U.S. Department of Commerce, Bureau of the Census.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.