Form, W. H. (1976). Blue-collar stratification: Autoworkers in four countries. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Form, William H. Blue-collar Stratification: Autoworkers in Four Countries. Princeton, N.J.: Princeton University Press, 1976.
Lua MLA (8ú heag.)Form, William H. Blue-collar Stratification: Autoworkers in Four Countries. Princeton University Press, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.