Philippines . Bureau of Labor and Employment Statistics. (1988). Employment and wage structure survey, 1983-. BLES.
Chicagoスタイル(17版)引用形式Philippines . Bureau of Labor and Employment Statistics. Employment and Wage Structure Survey, 1983-. Manila: BLES, 1988.
MLA(9版)引用形式Philippines . Bureau of Labor and Employment Statistics. Employment and Wage Structure Survey, 1983-. BLES, 1988.
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