Intal, P. S. (1989). Population, welfare, and rural development. Population/Development Planning and Research Project, National Economic and Development Authority.
Citazione stile Chigago Style (17a edizione)Intal, Ponciano S. Population, Welfare, and Rural Development. [Manila]: Population/Development Planning and Research Project, National Economic and Development Authority, 1989.
Citatione MLA (9a ed.)Intal, Ponciano S. Population, Welfare, and Rural Development. Population/Development Planning and Research Project, National Economic and Development Authority, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.