Hay, D. (1979). Industrial economics: Theory & evidence. Oxford Uni Press.
Cita Chicago (17th ed.)Hay, Donald. Industrial Economics: Theory & Evidence. Oxford: Oxford Uni Press, 1979.
Cita MLA (9th ed.)Hay, Donald. Industrial Economics: Theory & Evidence. Oxford Uni Press, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.