APA
Butcher T., Grimes T., Williams J., Oppermann H. & Estados Unidos. National Institute of Standards and Technology^pUS. (2001). Specifications, tolerances, and other technical requirements for weighing and measuring devices: as adopted by the 85th National conference on weights and measures 2000. [s.l.]: NIST.
Chicago
Butcher T.G, Grimes T.L, Williams Juana, Oppermann H.V and Estados Unidos. National Institute of Standards and Technology^pUS. 2001. Specifications, tolerances, and other technical requirements for weighing and measuring devices: as adopted by the 85th National conference on weights and measures 2000. [s.l.]: NIST.
Harvard
Butcher T., Grimes T., Williams J., Oppermann H. and Estados Unidos. National Institute of Standards and Technology^pUS. (2001). Specifications, tolerances, and other technical requirements for weighing and measuring devices: as adopted by the 85th National conference on weights and measures 2000. [s.l.]: NIST.
MLA
Butcher T.G, Grimes T.L, Williams Juana, Oppermann H.V and Estados Unidos. National Institute of Standards and Technology^pUS. Specifications, tolerances, and other technical requirements for weighing and measuring devices: as adopted by the 85th National conference on weights and measures 2000. [s.l.]: NIST. 2001.