Dyfyniad APA

Lydall, H. (1968). The structure of earnings. Clarendon Press.

Dyfyniad Arddull Chicago

Lydall, Harold. The Structure of Earnings. Oxford: Clarendon Press, 1968.

Dyfyniad MLA

Lydall, Harold. The Structure of Earnings. Clarendon Press, 1968.

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