(1984). The nature of public enterprise. Croom-Helm.
Chicago Style (17th ed.) ZitazioaThe Nature of Public Enterprise. London: Croom-Helm, 1984.
MLA (9th ed.) ZitazioaThe Nature of Public Enterprise. Croom-Helm, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.