Philippines (Republic). Wage and Position Classification Office. (1960). Wage and salary survey in the Philippines, 1960-. [s.n.].
Chicago-viite (17. p.)Philippines (Republic). Wage and Position Classification Office. Wage and Salary Survey in the Philippines, 1960-. Manila: [s.n.], 1960.
MLA-viite (9. p.)Philippines (Republic). Wage and Position Classification Office. Wage and Salary Survey in the Philippines, 1960-. [s.n.], 1960.
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