United States. Bureau of Labor Statistics & ProQuest (Firm). Annual Report of the Commissioner of Labor Statistics fiscal year ended June 30, 1931. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Annual Report of the Commissioner of Labor Statistics Fiscal Year Ended June 30, 1931. Washington: [publisher not identified].
MLA (9th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Annual Report of the Commissioner of Labor Statistics Fiscal Year Ended June 30, 1931. [publisher not identified].
Warning: These citations may not always be 100% accurate.