Costello, M. A. (1993). Projected patterns of labor force participation for the year 2000: The Philippines and its administrative regionsMichael A. Costello, Pilar Ferrer. Department of Labor and Employment/ILO-ARTEP.
Cita Chicago (17th ed.)Costello, Michael A. Projected Patterns of Labor Force Participation for the Year 2000: The Philippines and Its Administrative RegionsMichael A. Costello, Pilar Ferrer. Manila: Department of Labor and Employment/ILO-ARTEP, 1993.
Cita MLA (9th ed.)Costello, Michael A. Projected Patterns of Labor Force Participation for the Year 2000: The Philippines and Its Administrative RegionsMichael A. Costello, Pilar Ferrer. Department of Labor and Employment/ILO-ARTEP, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.