Não informado. (1999). Miscellaneous Publications. U.S. Department of Commerce, National Bureau of Standards.
Style de citation Chicago (17e éd.)Não informado. Miscellaneous Publications. Washington: U.S. Department of Commerce, National Bureau of Standards, 1999.
Style de citation MLA (8e éd.)Não informado. Miscellaneous Publications. U.S. Department of Commerce, National Bureau of Standards, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.