Não informado. (2000). Technical news from the National Bureau of Standards. U.S. Department of Commerce.
Chicagoスタイル(17版)引用形式Não informado. Technical News from the National Bureau of Standards. Washington: U.S. Department of Commerce, 2000.
MLA(8版)引用形式Não informado. Technical News from the National Bureau of Standards. U.S. Department of Commerce, 2000.
警告: この引用は必ずしも正確ではありません.