Dyfyniad APA
ebrary, Inc. (2002). An Assessment of the National Institute of Standards and Technology measurement and standards laboratores: Fisal year 2002. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. An Assessment of the National Institute of Standards and Technology Measurement and Standards Laboratores: Fisal Year 2002. Washington, D.C.: National Academy Press, 2002.
Dyfyniad MLA
ebrary, Inc. An Assessment of the National Institute of Standards and Technology Measurement and Standards Laboratores: Fisal Year 2002. National Academy Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.