Hay, D. A., & Morris, D. J. (1979). Industrial economics: Theory and evidence. Oxford university.
Chicago Style aipamenaHay, Donald A., and Derek J. Morris. Industrial Economics: Theory and Evidence. London: Oxford university, 1979.
MLA aipamenaHay, Donald A., and Derek J. Morris. Industrial Economics: Theory and Evidence. Oxford university, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.