Não informado. (2004). Government Reports Announcements. U.S. Department of Commerce, National Technical Information Service.
Citação do estilo Chicago (17ª ed.)Não informado. Government Reports Announcements. Springfield, Va: U.S. Department of Commerce, National Technical Information Service, 2004.
Citação MLA (8ª ed.)Não informado. Government Reports Announcements. U.S. Department of Commerce, National Technical Information Service, 2004.
警告：這些引文格式不一定是100％准確.