U.S. Bureau of Labor Statistics. (1970). Brief history of the American labor movement. bBureau of Labor Statistics.
Citación estilo ChicagoU.S. Bureau of Labor Statistics. Brief History of the American Labor Movement. [Washington]: bBureau of Labor Statistics, 1970.
Cita MLAU.S. Bureau of Labor Statistics. Brief History of the American Labor Movement. bBureau of Labor Statistics, 1970.
Warning: These citations may not always be 100% accurate.