Dyfyniad APA

Uvarov, E. B., & Isaacs, A. (1993). The Penguin dictionary of science (7th ed.). Penguin Books.

Dyfyniad Arddull Chicago

Uvarov, E. B., and Alan Isaacs. The Penguin Dictionary of Science. 7th ed. London: Penguin Books, 1993.

Dyfyniad MLA

Uvarov, E. B., and Alan Isaacs. The Penguin Dictionary of Science. 7th ed. Penguin Books, 1993.

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