Costello, M. A. (1989). Levels of living and their geographic context: Northern Mindanao, 1960-1980. Population/Development Planning and Research Project.
Цитирование в стиле Чикаго (17-е изд.)Costello, Michael A. Levels of Living and Their Geographic Context: Northern Mindanao, 1960-1980. [Makati, Metro Manila]: Population/Development Planning and Research Project, 1989.
Цитирование MLA (9-е изд.)Costello, Michael A. Levels of Living and Their Geographic Context: Northern Mindanao, 1960-1980. Population/Development Planning and Research Project, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.