USA Bureau of Labor Statistics. Bulletin of the United States Bureau of Labor Statistics. Government Print. Off.
Chicago-Zitierstil (17. Ausg.)USA Bureau of Labor Statistics. Bulletin of the United States Bureau of Labor Statistics. Washington, DC: Government Print. Off.
MLA-Zitierstil (9. Ausg.)USA Bureau of Labor Statistics. Bulletin of the United States Bureau of Labor Statistics. Government Print. Off.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.