Цитирование APA (7-е изд.)

United Nations. Economic Commission for Europe. (1991). Energy reforms in Central and Eastern Europe: The first year. United Nations.

Цитирование в стиле Чикаго (17-е изд.)

United Nations. Economic Commission for Europe. Energy Reforms in Central and Eastern Europe: The First Year. New York: United Nations, 1991.

Цитирование MLA (9-е изд.)

United Nations. Economic Commission for Europe. Energy Reforms in Central and Eastern Europe: The First Year. United Nations, 1991.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.