Dyfyniad APA

Hay,Donald A, & Morris,Derek J. (1979). Industrial economics. Oxford University Press.

Dyfyniad Arddull Chicago

Hay,Donald A, and Morris,Derek J. Industrial Economics. Oxford: Oxford University Press, 1979.

Dyfyniad MLA

Hay,Donald A, and Morris,Derek J. Industrial Economics. Oxford University Press, 1979.

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