Dyfyniad APA

(2010). Science. American Association for the Advancement of Science.

Dyfyniad Arddull Chicago

Science. New York: American Association for the Advancement of Science, 2010.

Dyfyniad MLA

Science. American Association for the Advancement of Science, 2010.

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