United States. Bureau of Labor Statistics & ProQuest (Firm). (1928). Wages and hours of labor in foundries and machine shops 1927. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Wages and Hours of Labor in Foundries and Machine Shops 1927. Washington: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Wages and Hours of Labor in Foundries and Machine Shops 1927. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.