United States. Bureau of Labor Standards. (1950). State and Federal hours limitations, a summary. s.n.
Chicago-Zitierstil (17. Ausg.)United States. Bureau of Labor Standards. State and Federal Hours Limitations, a Summary. [Washington]: s.n, 1950.
MLA-Zitierstil (9. Ausg.)United States. Bureau of Labor Standards. State and Federal Hours Limitations, a Summary. s.n, 1950.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.