APA

Kramer G., Travis J., Faison C., Rasberry S., Estados Unidos. National Institute of Standards and Technology^pUS, Estados Unidos. National Voluntary Laboratory Accreditation Program & Estados Unidos. National Voluntary Laboratory Accreditation Program. (2000). Chemical calibration: certifiers of spectrophotometric NTRMs. [s.l.]: NIST.

Chicago

Kramer G.W, Travis J.C, Faison C.D, Rasberry S.D, Estados Unidos. National Institute of Standards and Technology^pUS, Estados Unidos. National Voluntary Laboratory Accreditation Program and Estados Unidos. National Voluntary Laboratory Accreditation Program. 2000. Chemical calibration: certifiers of spectrophotometric NTRMs. [s.l.]: NIST.

Harvard

Kramer G., Travis J., Faison C., Rasberry S., Estados Unidos. National Institute of Standards and Technology^pUS, Estados Unidos. National Voluntary Laboratory Accreditation Program and Estados Unidos. National Voluntary Laboratory Accreditation Program. (2000). Chemical calibration: certifiers of spectrophotometric NTRMs. [s.l.]: NIST.

MLA

Kramer G.W, Travis J.C, Faison C.D, Rasberry S.D, Estados Unidos. National Institute of Standards and Technology^pUS, Estados Unidos. National Voluntary Laboratory Accreditation Program and Estados Unidos. National Voluntary Laboratory Accreditation Program. Chemical calibration: certifiers of spectrophotometric NTRMs. [s.l.]: NIST. 2000.