Dyfyniad APA
Walker, P. M. B. (1990). Cambridge dictionary of science and technology. Cambridge University Press.
Dyfyniad Arddull Chicago
Walker, P. M. B. Cambridge Dictionary of Science and Technology. Cambridge [England] ; New York: Cambridge University Press, 1990.
Dyfyniad MLA
Walker, P. M. B. Cambridge Dictionary of Science and Technology. Cambridge University Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.