Não informado. (1988). Journal of Research of the National Institute of Standards and Technology. National Institute of Standards and Technology.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Research of the National Institute of Standards and Technology. Gaithersburg, Md: National Institute of Standards and Technology, 1988.
MLA (8e ed.) BronvermeldingNão informado. Journal of Research of the National Institute of Standards and Technology. National Institute of Standards and Technology, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.