United States Employment Service. (1956). Estimates of worker trait requirements for 4,000 jobs as defined in the Dictionary of occupational titles: An alphabetical index. U.S. Dept. of Labor, Bureau of Employment Security.
Chicago Style (17th ed.) CitationUnited States Employment Service. Estimates of Worker Trait Requirements for 4,000 Jobs as Defined in the Dictionary of Occupational Titles: An Alphabetical Index. [Washington]: U.S. Dept. of Labor, Bureau of Employment Security, 1956.
MLA (8th ed.) CitationUnited States Employment Service. Estimates of Worker Trait Requirements for 4,000 Jobs as Defined in the Dictionary of Occupational Titles: An Alphabetical Index. U.S. Dept. of Labor, Bureau of Employment Security, 1956.
Warning: These citations may not always be 100% accurate.