Cita APA (7th ed.)

Costello, M. A. (1994). The Philippine labour force 1980-1990: An analysis of census data. DOLE/ILO-ARTEP.

Cita Chicago (17th ed.)

Costello, Michael A. The Philippine Labour Force 1980-1990: An Analysis of Census Data. Manila: DOLE/ILO-ARTEP, 1994.

Cita MLA (9th ed.)

Costello, Michael A. The Philippine Labour Force 1980-1990: An Analysis of Census Data. DOLE/ILO-ARTEP, 1994.