ebrary, Inc. (2005). An assessment of the National Institute of Standards and Technology measurement and standards laboratories: Fiscal years 2004-2005. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc. An Assessment of the National Institute of Standards and Technology Measurement and Standards Laboratories: Fiscal Years 2004-2005. Washington, D.C.: National Academy Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc. An Assessment of the National Institute of Standards and Technology Measurement and Standards Laboratories: Fiscal Years 2004-2005. National Academy Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.