United States oceanborne foreign trade routes.
APA Citation
United States. Maritime Commission. United States oceanborne foreign trade routes. Washington: U.S. Dept. of Commerce, Maritime Administration [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].
MLA Citation
United States. Maritime Commission. United States Oceanborne Foreign Trade Routes. Washington: U.S. Dept. of Commerce, Maritime Administration [for sale by the Supt. of Docs., U.S. Govt. Print. Off.],
Warning: These citations may not always be complete (especially for serials).