APA-čujuhus (7. p.)
U.S. Department of Labor. (1959). Employing older workers: A record of employers' experience. U.S.Department of Labor.
Chicago-čujuhus (17. p.)
U.S. Department of Labor. Employing Older Workers: A Record of Employers' Experience. Washington: U.S.Department of Labor, 1959.
MLA-čujuhus (9. p.)
U.S. Department of Labor. Employing Older Workers: A Record of Employers' Experience. U.S.Department of Labor, 1959.
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