Costello, M. (1992). Net migration in the Philippines: 1980-1990. Department of Labor and Employment/ILO-ARTEP.
Citazione stile Chigago Style (17a edizione)Costello, Michael. Net Migration in the Philippines: 1980-1990. Manila: Department of Labor and Employment/ILO-ARTEP, 1992.
Citatione MLA (9a ed.)Costello, Michael. Net Migration in the Philippines: 1980-1990. Department of Labor and Employment/ILO-ARTEP, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.