APA
UNITED STATES L. (. o. L. S. (. o., UNITED STATES L. (. o. L. S. (. o., . (1971). Monthly labor review. Washington: U S Govt. Printing Office.
Chicago
UNITED STATES LABOUR (Deptt of-) LABOR STATISTICS (Bureau of-), UNITED STATES LABOUR (Deptt of-) LABOR STATISTICS (Bureau of-), . 1971. Monthly labor review. Washington: U S Govt. Printing Office.
Harvard
UNITED STATES L. (. o. L. S. (. o., UNITED STATES L. (. o. L. S. (. o., . (1971). Monthly labor review. Washington: U S Govt. Printing Office.
MLA
UNITED STATES LABOUR (Deptt of-) LABOR STATISTICS (Bureau of-), UNITED STATES LABOUR (Deptt of-) LABOR STATISTICS (Bureau of-), . Monthly labor review. Washington: U S Govt. Printing Office. 1971.
