Alexander, R. J., & Parker, E. M. (2003). A history of organized labor in Brazil. Praeger.
Lua i Stíl Chicago (17ú heag.)Alexander, Robert J., agus Eldon M. Parker. A History of Organized Labor in Brazil. Westport, Conn.: Praeger, 2003.
Lua MLA (9ú heag.)Alexander, Robert J., agus Eldon M. Parker. A History of Organized Labor in Brazil. Praeger, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.