Não informado. (1904). Bulletin of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards.
Chicago-viite (17. p.)Não informado. Bulletin of the Bureau of Standards. Washington: U.S. Department of Commerce, National Bureau of Standards, 1904.
MLA-viite (8. p.)Não informado. Bulletin of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards, 1904.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.