Orbeta, A. C. (2002). A review of research on population-related issues: 1980-2002. Philippine Institute for Development Studies.
Цитирование в стиле Чикаго (17-е изд.)Orbeta, Aniceto C. A Review of Research on Population-related Issues: 1980-2002. Makati City: Philippine Institute for Development Studies, 2002.
Цитирование MLA (9-е изд.)Orbeta, Aniceto C. A Review of Research on Population-related Issues: 1980-2002. Philippine Institute for Development Studies, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.