Não informado. (2000). Technical note. U.S. Department of Commerce, National Bureau of Standards.
Citação do estilo Chicago (17ª ed.)Não informado. Technical Note. Washington: U.S. Department of Commerce, National Bureau of Standards, 2000.
Citação MLA (8ª ed.)Não informado. Technical Note. U.S. Department of Commerce, National Bureau of Standards, 2000.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.