Dyfyniad APA

Sidgwick, N. (1962). chemical elements and their compouds. Clarendon Press.

Dyfyniad Arddull Chicago

Sidgwick, N.V. Chemical Elements and Their Compouds. Oxford: Clarendon Press, 1962.

Dyfyniad MLA

Sidgwick, N.V. Chemical Elements and Their Compouds. Clarendon Press, 1962.

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