Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

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.

Citatione 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.