Tolong jelaskan mengenai Pautan luar dari Dewan Perniagaan Amerika Syarikat dalam bahasa melayu

Guide to Chamber of Commerce of the United States of America. Publications. 5332. Kheel Center for Labor-Management Documentation and Archives, Martin P. Catherwood Library, Cornell University.

Chamber of Commerce of the United States of America. Communications Development Division. Videotape collection, 1988-1992. Schlesinger Library, Radcliffe Institute, Harvard University.

Kumpulan sokongan politik di Amerika Syarikat