Não informado. (1988). Journal of Research of the National Institute of Standards and Technology. National Institute of Standards and Technology.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Research of the National Institute of Standards and Technology. Gaithersburg, Md: National Institute of Standards and Technology, 1988.
Citação MLA (8ª ed.)Não informado. Journal of Research of the National Institute of Standards and Technology. National Institute of Standards and Technology, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.