Castro, S. H. (1993). Study on labor Force concepts: Operational definitions and measurementsSonia H. Castro and Manuel Laopao. Bureau of Labor and Employment Statistics, DOLE/ILO-ARTEP.
Cita Chicago Style (17a ed.)Castro, Sonia H. Study on Labor Force Concepts: Operational Definitions and MeasurementsSonia H. Castro and Manuel Laopao. Manila: Bureau of Labor and Employment Statistics, DOLE/ILO-ARTEP, 1993.
Cita MLA (9a ed.)Castro, Sonia H. Study on Labor Force Concepts: Operational Definitions and MeasurementsSonia H. Castro and Manuel Laopao. Bureau of Labor and Employment Statistics, DOLE/ILO-ARTEP, 1993.
Precaución: Estas citas no son 100% exactas.