Não informado. (1999). Miscellaneous Publications. U.S. Department of Commerce, National Bureau of Standards.
Čikaški stil citiranja (17. izdanje)Não informado. Miscellaneous Publications. Washington: U.S. Department of Commerce, National Bureau of Standards, 1999.
MLA način citiranja (8. izdanje)Não informado. Miscellaneous Publications. U.S. Department of Commerce, National Bureau of Standards, 1999.
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