Citação norma APA
(1984). Efficient use of energy sources in neeting heat demand: <the> potential for energy conservation and fuel substitution in the ECE region. United Nations.
Citação norma Chicago
Efficient Use of Energy Sources in Neeting Heat Demand: <the> Potential for Energy Conservation and Fuel Substitution in the ECE Region. New York: United Nations, 1984.
Citação norma MLA
Efficient Use of Energy Sources in Neeting Heat Demand: <the> Potential for Energy Conservation and Fuel Substitution in the ECE Region. United Nations, 1984.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.