United Nations Population Fund. (2001). Population, environment and poverty linkages: Operational challenges. United Nations Population Fund.
Цитирование в стиле Чикаго (17-е изд.)United Nations Population Fund. Population, Environment and Poverty Linkages: Operational Challenges. New York: United Nations Population Fund, 2001.
Цитирование MLA (9-е изд.)United Nations Population Fund. Population, Environment and Poverty Linkages: Operational Challenges. United Nations Population Fund, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.