Dyfyniad APA

(1998). The international encyclopedia of science and technology. New York: Oxford Univ. Press.

Dyfyniad Arddull Chicago

The International Encyclopedia of Science and Technology. New York: Oxford Univ. Press, 1998.

Dyfyniad MLA

The International Encyclopedia of Science and Technology. New York: Oxford Univ. Press, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.