Dyfyniad APA

Uvarov, E., & Chapman, D. (1971). Dictionary of science (4th ed.). Penguin.

Dyfyniad Arddull Chicago

Uvarov, E.B, and D.R Chapman. Dictionary of Science. 4th ed. London: Penguin, 1971.

Dyfyniad MLA

Uvarov, E.B, and D.R Chapman. Dictionary of Science. 4th ed. Penguin, 1971.

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