Philippines (Republic) Wage and Position Classification Office. (1959). A manual of policy and procedure on position classification and salary administration. [s.n.].
Cita Chicago (17th ed.)Philippines (Republic) Wage and Position Classification Office. A Manual of Policy and Procedure on Position Classification and Salary Administration. Manila: [s.n.], 1959.
Cita MLA (9th ed.)Philippines (Republic) Wage and Position Classification Office. A Manual of Policy and Procedure on Position Classification and Salary Administration. [s.n.], 1959.
Atenció: Aquestes cites poden no estar 100% correctes.