Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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