Philippines (Republic). Wage and Position Classification Office. How WAPCO works: A modern, comprehensive salary plan, the standardization of salaries. s.n.
Chicago Style (17th ed.) CitationPhilippines (Republic). Wage and Position Classification Office. How WAPCO Works: A Modern, Comprehensive Salary Plan, the Standardization of Salaries. [Manila: s.n.
MLA (9th ed.) CitationPhilippines (Republic). Wage and Position Classification Office. How WAPCO Works: A Modern, Comprehensive Salary Plan, the Standardization of Salaries. s.n.
Warning: These citations may not always be 100% accurate.