Economic Commission for Europe- UN. (1992). East -West Energy Efficiency: The Ace Energy Series. United Nations.
Чикаго стиль цитування (17-те видання)Economic Commission for Europe- UN. East -West Energy Efficiency: The Ace Energy Series. New York: United Nations, 1992.
Стиль цитування MLA (9-ме видання)Economic Commission for Europe- UN. East -West Energy Efficiency: The Ace Energy Series. United Nations, 1992.