Dunlop, J. T. (1958). Industrial relations systems. Holt.
Lua i Stíl Chicago (17ú heag.)Dunlop, John Thomas. Industrial Relations Systems. New York: Holt, 1958.
Lua MLA (9ú heag.)Dunlop, John Thomas. Industrial Relations Systems. Holt, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.