Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Wulfert, M.A. and United States. Bureau of Foreign and Domestic Commerce",Butter and cheese markets in the West Indies,,"United States Department of Commerce, Bureau of Foreign and Domestic Commerce",1925,Trade information bulletin,,,,https://cir.nii.ac.jp/crid/1130012844551500573