Population Center Foundation. (1983). A review of studies on internal migration in the Philippines. Information Support to Population Projects, Population Center Foundation.
Citazione stile Chigago Style (17a edizione)Population Center Foundation. A Review of Studies on Internal Migration in the Philippines. [Philippines]: Information Support to Population Projects, Population Center Foundation, 1983.
Citatione MLA (9a ed.)Population Center Foundation. A Review of Studies on Internal Migration in the Philippines. Information Support to Population Projects, Population Center Foundation, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.