Cita APA (7th ed.)

Costello, M. (1992). Net migration in the Philippines: 1980-1990. Department of Labor and Employment/ILO-ARTEP.

Cita Chicago (17th ed.)

Costello, Michael. Net Migration in the Philippines: 1980-1990. Manila: Department of Labor and Employment/ILO-ARTEP, 1992.

Cita MLA (9th ed.)

Costello, Michael. Net Migration in the Philippines: 1980-1990. Department of Labor and Employment/ILO-ARTEP, 1992.