Não informado. (1999). Miscellaneous Publications. U.S. Department of Commerce, National Bureau of Standards.
Chicagoスタイル(17版)引用形式Não informado. Miscellaneous Publications. Washington: U.S. Department of Commerce, National Bureau of Standards, 1999.
MLA(8版)引用形式Não informado. Miscellaneous Publications. U.S. Department of Commerce, National Bureau of Standards, 1999.
警告: この引用は必ずしも正確ではありません.