Dyfyniad APA

Speakman, J. C. (1962). An introduction to the electronic theory of valency. London: Edward Arnold.

Dyfyniad Arddull Chicago

Speakman, J. C. An Introduction to the Electronic Theory of Valency. London: Edward Arnold, 1962.

Dyfyniad MLA

Speakman, J. C. An Introduction to the Electronic Theory of Valency. London: Edward Arnold, 1962.

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