APA
UNITED STATES L. (. o. )., UNITED STATES L. (. o. )., . (1967). Growth of labor law in the United States. Washington: The Author.
Chicago
UNITED STATES LABOUR (Department of ), UNITED STATES LABOUR (Department of ), . 1967. Growth of labor law in the United States. Washington: The Author.
Harvard
UNITED STATES L. (. o. )., UNITED STATES L. (. o. )., . (1967). Growth of labor law in the United States. Washington: The Author.
MLA
UNITED STATES LABOUR (Department of ), UNITED STATES LABOUR (Department of ), . Growth of labor law in the United States. Washington: The Author. 1967.