Não informado. (1910). Technologic Papers of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards.
Chicago-viite (17. p.)Não informado. Technologic Papers of the Bureau of Standards. Washington: U.S. Department of Commerce, National Bureau of Standards, 1910.
MLA-viite (8. p.)Não informado. Technologic Papers of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards, 1910.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.