Sources of information on U.S. firms :
a guide for international traders.
APA Citation
United States. Bureau of International Commerce. (1977). Sources of information on U.S. firms: a guide for international traders. Rev. May 1977. [Washington]: Dept. of Commerce, Domestic and International Business Administration, Bureau of International Commerce.
MLA Citation
United States. Bureau of International Commerce. Sources of Information On U.S. Firms: a Guide for International Traders. Rev. May 1977. [Washington]: Dept. of Commerce, Domestic and International Business Administration, Bureau of International Commerce, 1977.
Warning: These citations may not always be complete (especially for serials).