Não informado. (1973). Dimensions. U.S. Department of Commerce, National Bureau of Standards.
Chicago-viite (17. p.)Não informado. Dimensions. Washington: U.S. Department of Commerce, National Bureau of Standards, 1973.
MLA-viite (8. p.)Não informado. Dimensions. U.S. Department of Commerce, National Bureau of Standards, 1973.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.