Fraser, W. H. (1999). A history of British trade unionism, 1700-1998. Macmillan.
Lua i Stíl Chicago (17ú heag.)Fraser, W. Hamish. A History of British Trade Unionism, 1700-1998. Basingstoke: Macmillan, 1999.
Lua MLA (9ú heag.)Fraser, W. Hamish. A History of British Trade Unionism, 1700-1998. Macmillan, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.